Getting systray activities for custom models (i.e. created with Studio) crashed. If it's a custom model, its `_original_module` attribute is not correctly set so trying to retrieve the icon based on this attribute does not work.
mail.activity.mixin
ir.model
053bb45706
bb6f6c57f9
82a1e1dcc3
f6ca72b3ce
c0eef42711