[#1829] Make call-to-action action button configurable

[pi-sigma]

Taiga #1829

The call-to-action button is made configurable per case status type by adding relevant fields to ZaakTypeStatusTypeConfig

[jiromaykin]

When testing this: the CTA button needs to be visible/configurable for the current AND final active status, (example: ISBNnr: 111111110, and case: http://127.0.0.1:8000/mijn-aanvragen/054847a7-1ccb-4cd4-8768-1fff29f08cf6/status/)
So: a case that is 'Afgehandeld' will show it's current status as Afgehandled, which is also completed/final. This very last status is a bit of a special animal,
but maybe it will show up correctly in the final 'afgehandeld' status once you've rebased this PR on my PR #821 ?

Also: maybe it's possible to make the final Admin table cells a bit less wide?

[pi-sigma]

You need to specify a url for the button, otherwise it won't show (a button without url wouldn't do anything). If you fill in call_to_action_url and call_to_action_text, it works:

[jiromaykin]

You need to specify a url for the button, otherwise it won't show (a button without url wouldn't do anything). If you fill in call_to_action_url and call_to_action_text

Yes, this works - before I approve you may have to remove all of the frontend template code and the styling, or else you're going to have endless merge-conflicts when rebasing, I'd think.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (90870cf) 92.83% compared to head (a028309) 92.84%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #829   +/-   ##
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  Coverage    92.83%   92.84%           
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  Files          755      759    +4     
  Lines        26210    26233   +23     
========================================
+ Hits         24332    24355   +23     
  Misses        1878     1878           

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[alextreme]

@pi-sigma feel free to resolve the conflicts and assign me to review

[alextreme]

2 trivial remarks, after that this can be merged in my eyes

outdated