[IMP] project: hide project related filter

Before this commit project field was hidden from views
open for specific project but search view still display
project related filter/groupBy and there is not point
displaying that if all tasks has same project set on
then.

This commit hide project related fielter/groupBy from
views open from specific project.

task-3141350

Part-of: odoo/odoo#111335

addons/project/views/project_task_views.xml

@@ -52,7 +52,7 @@
             <field name="priority">999</field>
             <field name="arch" type="xml">
                 <field name="stage_id" position="after">
-                    <field name="project_id" string="Project"/>
+                    <field name="project_id" string="Project" invisible="context.get('default_project_id')"/>
                 </field>
                 <field name="partner_id" position="after">
                     <field name="company_id" groups="base.group_multi_company"/>
@@ -61,7 +61,7 @@
                     <filter string="My Tasks" name="my_tasks" domain="[('user_ids', 'in', uid)]"/>
                 </field>
                 <filter name="stage" position="after">
-                    <filter string="Project" name="project" context="{'group_by': 'project_id'}"/>
+                    <filter string="Project" name="project" context="{'group_by': 'project_id'}" invisible="context.get('default_project_id')"/>
                 </filter>
             </field>
         </record>