[FW][FIX] web: correctly update model in reference field

[fw-bot]

Steps to reproduce:

• Install events
• Open the app and click on an event
• Go to communication tab
• For one of the record change mail to sms, and set the template as "Event: Reminder"
• Try to save

Issues:
A message notify the user that the template is not an sms.template even though the record is.

opw-3682157

Forward-Port-Of: #153808

[robodoo]

Pull request status dashboard.

[fw-bot]

@mattismegevand @fdardenne cherrypicking of pull request #153808 failed.

stdout:

Auto-merging addons/web/static/src/views/fields/reference/reference_field.js
CONFLICT (content): Merge conflict in addons/web/static/src/views/fields/reference/reference_field.js
Auto-merging addons/web/static/tests/views/fields/reference_field_tests.js

stderr:

12:25:52.387610 git.c:463               trace: built-in: git cherry-pick d6ea9475b08ed02e74cc1650470f0e0d78ac5c98
error: could not apply d6ea9475b08e... [FIX] web: correctly update model in reference field
hint: After resolving the conflicts, mark them with
hint: "git add/rm <pathspec>", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".
----------
status:

Either perform the forward-port manually (and push to this branch, proceeding as usual) or close this PR (maybe?).

In the former case, you may want to edit this PR message as well.

⚠️ after resolving this conflict, you will need to merge it via @robodoo.

More info at https://github.com/odoo/odoo/wiki/Mergebot#forward-port

[mattismegevand]

@robodoo r+