[FIX] util.indirect_references: add new, special case for ir_act_window

ir_act_window is a special case where it's possible to have res_model set and res_id NULL
at the same time, contrary to the usual where res_id points to the table of res_model,
thus it usually makes sense to have both set. Because of this we need two IR entries that will
cover both cases.

An example of this special case can be an action that was created automatically for a button
created through Studio. Steps to reproduce:

1. Create a database in 15.0 and install web_studio and sale_subscription.

2. Using Studio, create a button in form view of res.partner that as a related field takes any field from sale.subscription.
Studio will automatically create an action for this button with res_model = 'sale.subscription' and res_id = NULL.

3. Upgrade to 16.0. When the merge of sale.subscription into sale.order happens, the action created for the button
will be removed from ir_act_window because it's still referencing sale.subscription instead of sale.order.
That in turn is caused by replace_record_references_batch not replacing references for ir_act_window
records that don't have res_id set.

closes #114

Signed-off-by: Christophe Simonis (chs) <[email protected]>

Author: diagnoza

src/util/indirect_references.py

@@ -29,6 +29,7 @@ def indirect_references(cr, bound_only=False):
         IR("ir_cron", "model", None, set_unknown=True),
         IR("ir_act_report_xml", "model", None, set_unknown=True),
         IR("ir_act_window", "res_model", "res_id"),
+        IR("ir_act_window", "res_model", None),
         IR("ir_act_window", "src_model", None),
         IR("ir_act_server", "wkf_model_name", None),
         IR("ir_act_server", "crud_model_name", None),