Chore: fix regressions for omnichannel due room refactor

[ggazzo]

This PR fixes the following:

• Opening a VoIP room causes a crash (invalid room type)
• Closing a room causes an error (room not found)
• Contextual bar not opening automatically when the room is opened (cannot read tabBar from null)

Proposed changes (including videos or screenshots)

Issue(s)

Steps to test or reproduce

Further comments

[codecov]

Codecov Report

Merging #26912 (0338bf5) into develop (548d8e6) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           develop   #26912      +/-   ##
===========================================
- Coverage    40.80%   40.79%   -0.01%     
===========================================
  Files          793      793              
  Lines        17851    17848       -3     
  Branches      1940     1941       +1     
===========================================
- Hits          7284     7281       -3     
+ Misses       10271    10268       -3     
- Partials       296      299       +3     

Flag	Coverage Δ
e2e	40.79% <100.00%> (-0.01%)	⬇️

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[lgtm-com]

This pull request introduces 1 alert when merging 02b2025 into 6ae770b - view on LGTM.com

new alerts:

• 1 for Useless assignment to local variable

[MartinSchoeler]

If you try to open a livechat that has been closed via current-chats the channel will appear empty

[MartinSchoeler]

If you try to open a livechat that has been closed via current-chats the channel will appear empty

Okay, since the changes are already on develop, this issue is not locked to the scope of this PR, we can work out a fix in another PR

[lgtm-com]

This pull request introduces 1 alert when merging 0338bf5 into 548d8e6 - view on LGTM.com

new alerts:

• 1 for Useless assignment to local variable