[FIX] base: avoid traceback on params field of client action

The content of these fields can't be updated, there's no reason to
even show them. Just remove them from the default / auto-generated
view for client actions.

Task 1772242

closes odoo/odoo#29179

Signed-off-by: Xavier Morel (xmo) <xmo@odoo.com>

odoo/addons/base/ir/ir_actions.py

@@ -1181,3 +1181,11 @@ class IrActionsActClient(models.Model):
         for record in self:
             params = record.params
             record.params_store = repr(params) if isinstance(params, dict) else params
+
+    def _get_default_form_view(self):
+        doc = super(IrActionsActClient, self)._get_default_form_view()
+        params = doc.find(".//field[@name='params']")
+        params.getparent().remove(params)
+        params_store = doc.find(".//field[@name='params_store']")
+        params_store.getparent().remove(params_store)
+        return doc