Render edited caption.

[bmarty]

Map isEdited so that we can render (Edited) for edited caption:

[github-actions[bot]]

:iphone: Scan the QR code below to install the build (arm64 only) for this PR. If you can't scan the QR code you can install the build via this link: https://i.diawi.com/MbpFax

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 95.83333% with 1 line in your changes missing coverage. Please review.

Project coverage is 82.91%. Comparing base (7edfefe) to head (a142df1). Report is 6 commits behind head on develop.

Files with missing lines	Patch %	Lines
...ctories/event/TimelineItemContentMessageFactory.kt	85.71%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #3904 +/- ## ======================================== Coverage 82.91% 82.91% ======================================== Files 1785 1785 Lines 45164 45183 +19 Branches 5332 5331 -1 ======================================== + Hits 37446 37464 +18 - Misses 5847 5848 +1 Partials 1871 1871 ```

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