use command stack changes to trigger add/delete layout set

[standeren]

Description

use event from bpmn modeler that is fired only on user interactions to trigger add/delete layout set instead of shape.add and shape.remove since these events are triggered on every new bpmn-mount.

Related Issue(s)

• #{issue number}

Verification

• Your code builds clean without any errors or warnings
• Manual testing done (required)
• Relevant automated test added (if you find this hard, leave it and we'll help out)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.16%. Comparing base (378e7e3) to head (79cee86).

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #12681   +/-   ##
=======================================
  Coverage   90.16%   90.16%           
=======================================
  Files        1296     1296           
  Lines       18553    18553           
  Branches     2259     2259           
=======================================
  Hits        16729    16729           
  Misses       1564     1564           
  Partials      260      260           

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[nkylstad]

Nice! 👍

[standeren]

Closed this since the event did not act as assumed.
This PR introduces another fix for the core problem that introduced a smaller problem that this PR was suppose to fix