Remove endEvent as a taskType and generalize iconSelection to also include sequenceFlow as a bpmnTypeEnum

[standeren]

Description

Remove endEvent as a taskType and generalize iconSelection to also include sequenceFlow as a bpmnTypeEnum

Related Issue(s)

• {issue number}

Verification

• [x] Your code builds clean without any errors or warnings
• [x] Manual testing done (required)

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 91.42%. Comparing base (d971752) to head (9e72c26). Report is 2 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #12955 +/- ## ======================================= Coverage 91.41% 91.42% ======================================= Files 1397 1397 Lines 19740 19745 +5 Branches 2384 2385 +1 ======================================= + Hits 18046 18051 +5 Misses 1432 1432 Partials 262 262 ```

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[framitdavid]

Works as expected in dev.