[IMP] product,...: Improve demo data

* Update demo data sheet for barcode
* Modify product "Book: Office Renovation for Dummies:
    - Name: "eBook: Office Renovation for Dummies"
    - Image:
    - Internal category: All/Services/Saleable
* Tips internal reference
* Product 10.0 % Discount =
    - Name : "10.0% discount on total amount" (no space between 0 and %)
    - Internal reference : 10PERCENTDISC
* Free product - large cabinet
    - Should be a stockable
    - in category All/Saleable/Office Furniture
    - Name : Free Gift - Pencil Holder
    - Picture
* Desk Customizable :
    - Change its website sequence (should be displayed first in the shop)
* https://github.com/odoo/odoo/pull/25263
* Need to clean attributes and attribute values and attribute categories :
    - Attributes, keep : Brand, Color, Dimensions, Legs, Weight
    - Attribute Category : Rename Storage into "Material"
* Events
    - Suppress Functional Webinar and Technical Training
* PoS Categories :
    - Suppress
    - Create PoS Category : Desks (put desks in it)
    - Create PoS Category : Chairs (put chairs in it)
    - Create PoS Category : Miscellaneous (and put all other products in it)
* Products available in PoS
    - Remove : Air Flight, Car Travel Expense, Bpost domestic bpack 24h pro, Bpost World Express Pro, Customer Care, DHL USA Delivery, DHL USA -> International, Deposit, Expenses, Fdex International, Fedexs US, Hotel Accomodation, Restaurant Expenses,
* Product:
    https://drive.google.com/a/odoo.com/file/d/1KjxcB88aDfe8qAzIpFlkBmMj5ekA9eIf/view?usp=drivesdk
    Timesheet : description to update https://docs.google.com/spreadsheets/d/1nB8l8pFcRXRFnudgDJVyZZp3McaHNovlyvY0jE1ZZ54/edit?usp=sharing
* Project : less projects, more tasks
    Remove "Internal - GAP Analysis", "Internal Projects"
    Rename Support into After-Sales Services
    Task to rename: Data import + Doc ==> Office planning
    Move the task Internal Training from "Support" to "Office Design"
* AGR Project : add the following tasks and link it to the right SO line
    Decoration : SO Line ==> Senior Architect
    Planning :  SO Line ==> Senior Architect
    Furniture  SO Line ==> Senior Architect
    Furniture Delivery : not linked to an SO line
* Marketing Automation
    Partnership offer ==> to rename into "Commercial prospection"
    Steps to rename:
        Offer free trial ==> Offer free catalog
        After 7 days (if not yet partners) ==> After 7 days (if not yet customers)
    Message for sale person ==> keep the same
* Mass mailings:
    http://nimb.ws/zrKsZ9
    http://nimb.ws/CbNpwd
* Events:
    Suppress Functional Webinar and Technical Training
    Tracks to update : https://docs.google.com/spreadsheets/d/1sKkJrltXY3Gz7ue3mVysZxaWGybKpx5fIhgUBnhbNDs/edit?usp=sharing
* Helpdesk
    Rename team into Customer Care
    Create 2 tickets in default team
    Urgent : Kitchen collapsing (assigned to admin) : link to the task  SO053: [SERV_585189] Customer Care (Prepaid Hours)
    No pririoty : Where can I download a catalog ? (not assigned).  Ticket type = question

data/sale_coupon_demo.xml

@@ -1,6 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <odoo>
     <data noupdate="1">
+        <record id="product_product_10_percent_discount" model="product.product">
+            <field name="name">10.0% discount on total amount</field>
+            <field name="type">service</field>
+            <field name="taxes_id" eval="False"/>
+            <field name="supplier_taxes_id" eval="False"/>
+            <field name="sale_ok" eval="False"/>
+            <field name="purchase_ok" eval="False"/>
+            <field name="invoice_policy">order</field>
+            <field name="default_code">10PERCENTDISC</field>
+            <field name="categ_id" ref="product.product_category_3"/>
+        </record>
+
         <record id="10_percent_auto_applied" model="sale.coupon.program">
             <field name="name">Code for 10% on orders</field>
             <field name="promo_code_usage">code_needed</field>
@@ -9,6 +21,19 @@
             <field name="discount_type">percentage</field>
             <field name="discount_percentage">10.0</field>
             <field name="program_type">promotion_program</field>
+            <field name="discount_line_product_id" ref="sale_coupon.product_product_10_percent_discount"/>
+        </record>
+
+        <record id="product_product_free_large_cabinet" model="product.product">
+            <field name="name">Free Product - Large Cabinet</field>
+            <field name="type">service</field>
+            <field name="taxes_id" eval="False"/>
+            <field name="supplier_taxes_id" eval="False"/>
+            <field name="sale_ok" eval="False"/>
+            <field name="purchase_ok" eval="False"/>
+            <field name="invoice_policy">order</field>
+            <field name="default_code">FREELARGECABINET</field>
+            <field name="categ_id" ref="product.product_category_3"/>
         </record>
 
         <record id="3_ipad_plus_1_free" model="sale.coupon.program">
@@ -20,6 +45,7 @@
             <field name="reward_product_id" ref="product.product_product_6"></field>
             <field name="rule_min_quantity">3</field>
             <field name="rule_products_domain">[["name","ilike","large cabinet"]]</field>
+            <field name="discount_line_product_id" ref="sale_coupon.product_product_free_large_cabinet"/>
         </record>
     </data>
 </odoo>

models/sale_coupon_reward.py

@@ -65,11 +65,11 @@ class SaleCouponReward(models.Model):
                 if reward.discount_type == 'percentage':
                     reward_percentage = str(reward.discount_percentage)
                     if reward.discount_apply_on == 'on_order':
-                        reward_string = _("%s %% discount on total amount" % (reward_percentage))
+                        reward_string = _("%s%% discount on total amount" % (reward_percentage))
                     elif reward.discount_apply_on == 'specific_product':
-                        reward_string = _("%s %% discount on %s" % (reward_percentage, reward.discount_specific_product_id.name))
+                        reward_string = _("%s%% discount on %s" % (reward_percentage, reward.discount_specific_product_id.name))
                     elif reward.discount_apply_on == 'cheapest_product':
-                        reward_string = _("%s %% discount on cheapest product" % (reward_percentage))
+                        reward_string = _("%s%% discount on cheapest product" % (reward_percentage))
                 elif reward.discount_type == 'fixed_amount':
                     program = self.env['sale.coupon.program'].search([('reward_id', '=', reward.id)])
                     reward_string = _("%s %s discount on total amount" % (str(reward.discount_fixed_amount), program.currency_id.name))