[IMP] Project: Add group tasks by create_date

This commit adds the possibility to group tasks by
their creation date

Task: #1959603
PR: #32142

Signed-off-by: Jérome Maes (jem) <jem@openerp.com>

addons/project/views/project_views.xml

@@ -52,6 +52,7 @@
                         <filter string="Assigned to" name="user" context="{'group_by':'user_id'}"/>
                         <filter string="Stage" name="stage" context="{'group_by':'stage_id'}"/>
                         <filter string="Company" name="company" context="{'group_by':'company_id'}" groups="base.group_multi_company"/>
+                        <filter string="Create Date" name="group_create_date" context="{'group_by': 'create_date'}"/>
                     </group>
                 </search>
             </field>