Allow video uploads to be optimised to reduce bandwidth.

[pixlwave]

This PR is the first part of #3398 and makes the following changes:

• Add a toggle (in Developer Options for now) to reduce the quality of media uploads
• Use this toggle to change the video quality preset from 1080p to 480p (which is 360p when video are 16:9).

[github-actions]

	Warnings
⚠️	Some of the commits are missing ticket numbers. Please consider squashing all commits that don't have a tracking number.
⚠️	You seem to have made changes to views. Please consider adding screenshots.

Generated by 🚫 Danger Swift against 0a2f16e

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
5.3% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

Attention: Patch coverage is 72.61905% with 23 lines in your changes missing coverage. Please review.

Project coverage is 77.72%. Comparing base (a16e134) to head (0a2f16e).
Report is 2 commits behind head on develop.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...ests/Sources/MediaUploadingPreprocessorTests.swift	86.88%	8 Missing ⚠️
...perOptionsScreen/View/DeveloperOptionsScreen.swift	0.00%	6 Missing ⚠️
...Sources/FlowCoordinators/RoomFlowCoordinator.swift	0.00%	2 Missing ⚠️
.../FlowCoordinators/UserSessionFlowCoordinator.swift	0.00%	2 Missing ⚠️
...ces/FlowCoordinators/SettingsFlowCoordinator.swift	0.00%	1 Missing ⚠️
...sEditScreen/RoomDetailsEditScreenCoordinator.swift	0.00%	1 Missing ⚠️
...sEditScreen/UserDetailsEditScreenCoordinator.swift	0.00%	1 Missing ⚠️
...ilsEditScreen/UserDetailsEditScreenViewModel.swift	50.00%	1 Missing ⚠️
...s/StartChatScreen/StartChatScreenCoordinator.swift	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #3408   +/-   ##
========================================
  Coverage    77.71%   77.72%           
========================================
  Files          739      739           
  Lines        60149    60203   +54     
========================================
+ Hits         46747    46790   +43     
- Misses       13402    13413   +11     

Flag	Coverage Δ
unittests	69.08% <72.61%> (-0.04%)	⬇️

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[Velin92]

whoops