[IMP] project: change kanban_state to normal when changing task project_id

Before this commit:
When task project is changed in through the view the kanban_state remain the same
until the record is saved.

After this commit:
When changing project, kanban_state is changed to 'normal' direclty.

task-2849291

closes odoo/odoo#91174

Related: odoo/upgrade#3523
Related: odoo/enterprise#27287
Signed-off-by: Laurent Stukkens (ltu) <ltu@odoo.com>

addons/project/models/project.py

@@ -1105,7 +1105,7 @@ class Task(models.Model):
         ('normal', 'In Progress'),
         ('done', 'Ready'),
         ('blocked', 'Blocked')], string='Status',
-        copy=False, default='normal', required=True)
+        copy=False, default='normal', required=True, compute='_compute_kanban_state', readonly=False, store=True)
     kanban_state_label = fields.Char(compute='_compute_kanban_state_label', string='Kanban State Label', tracking=True, task_dependency_tracking=True)
     create_date = fields.Datetime("Created On", readonly=True)
     write_date = fields.Datetime("Last Updated On", readonly=True)
@@ -1365,6 +1365,10 @@ class Task(models.Model):
                 node.set('invisible', '1')
         return arch, view
 
+    @api.depends('stage_id', 'project_id')
+    def _compute_kanban_state(self):
+        self.kanban_state = 'normal'
+
     @api.depends('parent_id.ancestor_id')
     def _compute_ancestor_id(self):
         for task in self:
@@ -2049,9 +2053,6 @@ class Task(models.Model):
 
             vals.update(self.update_date_end(vals['stage_id']))
             vals['date_last_stage_update'] = now
-            # reset kanban state when changing stage
-            if 'kanban_state' not in vals:
-                vals['kanban_state'] = 'normal'
         task_ids_without_user_set = set()
         if 'user_ids' in vals and 'date_assign' not in vals:
             # prepare update of date_assign after super call