Use the same UI as Android when tapping a link to a private room.

[pixlwave]

Don't show a "something went wrong" message, instead show the same UI as Android. Closes #2961

[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 50d1863

[sonarcloud]

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 SonarCloud

[codecov]

Codecov Report

Attention: Patch coverage is 93.75000% with 1 line in your changes missing coverage. Please review.

Project coverage is 77.96%. Comparing base (65dd6f3) to head (50d1863).

Files	Patch %	Lines
...reens/JoinRoomScreen/JoinRoomScreenViewModel.swift	80.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #3044   +/-   ##
========================================
  Coverage    77.96%   77.96%           
========================================
  Files          694      694           
  Lines        54064    54076   +12     
========================================
+ Hits         42149    42160   +11     
- Misses       11915    11916    +1     

Flag	Coverage Δ
unittests	68.66% <93.75%> (+0.04%)	⬆️

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