[IMP] im_livechat: modify mail short code demo data

In this commit, remove space and modify content in demo data.

task-3067151

closes odoo/odoo#106233

Related: odoo/enterprise#34232
Related: odoo/upgrade#4184
Signed-off-by: Xavier Bol (xbo) <xbo@odoo.com>

addons/im_livechat/data/mail_shortcode_data.xml

@@ -1,7 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<odoo><data noupdate="1">
-    <record id="mail_shortcode_data_hello" model="mail.shortcode">
-        <field name="source">hello</field>
-        <field name="substitution">Hello. How may I help you?</field>
-    </record>
-</data></odoo>
+<odoo>
+    <data noupdate="1">
+
+        <record id="mail_shortcode_data_hello" model="mail.shortcode">
+            <field name="source">hello</field>
+            <field name="substitution">Hello, how may I help you?</field>
+        </record>
+
+    </data>
+</odoo>

addons/im_livechat/data/mail_shortcode_demo.xml

@@ -4,7 +4,7 @@
 
         <record id="mail_canned_response_bye" model="mail.shortcode">
             <field name="source">bye</field>
-            <field name="substitution">Thanks for your feedback. Good bye!</field>
+            <field name="substitution">Thanks for your feedback. Goodbye!</field>
         </record>
 
     </data>

addons/test_discuss_full/tests/test_performance.py

@@ -947,12 +947,12 @@ class TestDiscussFullPerformance(TransactionCase):
                 {
                     'id': 1,
                     'source': 'hello',
-                    'substitution': 'Hello. How may I help you?',
+                    'substitution': 'Hello, how may I help you?',
                 },
                 {
                     'id': 2,
                     'source': 'bye',
-                    'substitution': 'Thanks for your feedback. Good bye!',
+                    'substitution': 'Thanks for your feedback. Goodbye!',
                 },
             ],
             'internalUserGroupId': self.env.ref('base.group_user').id,