Generic element call link support

[stefanceriu]

This PR adds support for Element Call universal links

• removes swift-url-routing as it wasn't used and doesn't bring much value on app.element.io links (fragments)
• replaces ^ with a custom (for the moment trivial) solution
• parses Call links into AppRoutes and handles them accordingly
• enable extra background modes to allow the calls to run properly (pending web changes)

[github-actions]

	Warnings
⚠️	Please add a changelog.
⚠️	Some of the commits are missing ticket numbers. Please consider squashing all commits that don't have a tracking number.

Generated by 🚫 Danger Swift against 950c30b

[pixlwave]

LGTM, although some comments in there might be quite big changes.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[codecov]

Codecov Report

Patch coverage: 7.38% and project coverage change: -0.35% ⚠️

Comparison is base (f1758b5) 58.81% compared to head (950c30b) 58.47%.
Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1643      +/-   ##
===========================================
- Coverage    58.81%   58.47%   -0.35%     
===========================================
  Files          411      413       +2     
  Lines        28096    28226     +130     
  Branches     14011    14066      +55     
===========================================
- Hits         16526    16505      -21     
- Misses       11116    11268     +152     
+ Partials       454      453       -1     

Flag	Coverage Δ
unittests	22.79% <7.38%> (-0.16%)	⬇️

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

Files Changed	Coverage Δ
ElementX/Sources/Application/AppCoordinator.swift	53.71% <0.00%> (-1.28%)	⬇️
...ication/Navigation/NavigationRootCoordinator.swift	50.00% <0.00%> (-40.48%)	⬇️
.../FlowCoordinators/UserSessionFlowCoordinator.swift	67.78% <0.00%> (-1.56%)	⬇️
...lapsibleFlowLayout/CollapsibleReactionLayout.swift	93.03% <0.00%> (ø)
...ces/Screens/Other/GenericCallLinkCoordinator.swift	0.00% <0.00%> (ø)
...Sources/FlowCoordinators/RoomFlowCoordinator.swift	56.00% <50.00%> (-0.02%)	⬇️
...ntX/Sources/Application/Navigation/AppRoutes.swift	55.55% <55.55%> (ø)

... and 3 files with indirect coverage changes

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[pixlwave]

LGTM 😎