RoomTimeline… refactor (drop the Room).

[pixlwave]

This PR refactors RoomTimelineProvider, RoomTimelineController and RoomTimelineControllerFactory to drop the Room for more consistency with #3157.

Additionally it adds a timeline controller factory to TimelineViewModel in preparation for swiping between media.

[github-actions]

	Warnings
⚠️	You seem to have made changes to views. Please consider adding screenshots.

Generated by 🚫 Danger Swift against 855ea21

[sonarqubecloud]

Quality Gate passed

Issues
3 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.6% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

Attention: Patch coverage is 57.30337% with 76 lines in your changes missing coverage. Please review.

Project coverage is 77.60%. Comparing base (9df5a8f) to head (855ea21).
Report is 1 commits behind head on develop.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...TimelineController/TimelineControllerFactory.swift	0.00%	33 Missing ⚠️
...rdinators/MediaEventsTimelineFlowCoordinator.swift	0.00%	13 Missing ⚠️
...Sources/FlowCoordinators/RoomFlowCoordinator.swift	53.33%	7 Missing ⚠️
...dinators/PinnedEventsTimelineFlowCoordinator.swift	0.00%	6 Missing ⚠️
...meline/TimelineController/TimelineController.swift	0.00%	5 Missing ⚠️
...eScreen/MediaEventsTimelineScreenCoordinator.swift	0.00%	4 Missing ⚠️
...Screen/PinnedEventsTimelineScreenCoordinator.swift	0.00%	2 Missing ⚠️
.../Screens/Timeline/TimelineInteractionHandler.swift	60.00%	2 Missing ⚠️
ElementX/Sources/Application/AppCoordinator.swift	0.00%	1 Missing ⚠️
...lePreviewScreen/TimelineMediaPreviewModifier.swift	0.00%	1 Missing ⚠️
... and 2 more

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3728      +/-   ##
===========================================
- Coverage    78.34%   77.60%   -0.74%     
===========================================
  Files          794      797       +3     
  Lines        68594    69273     +679     
===========================================
+ Hits         53737    53759      +22     
- Misses       14857    15514     +657     

Flag	Coverage Δ
unittests	70.36% <57.30%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[stefanceriu]

lgtm 👍