RoomList : fix ANR (#1370)

[ganfra]

Fixes #1370

[github-actions]

📱 Scan the QR code below to install the build (arm64 only) for this PR.

If you can't scan the QR code you can install the build via this link: https://i.diawi.com/82p5Ph

[codecov]

Codecov Report

Patch coverage: 54.54% and project coverage change: -0.01% ⚠️

Comparison is base (1eb9491) 57.81% compared to head (a1ce60f) 57.80%.
Report is 2 commits behind head on develop.

❗ Current head a1ce60f differs from pull request most recent head 6746bf5. Consider uploading reports for the commit 6746bf5 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1371      +/-   ##
===========================================
- Coverage    57.81%   57.80%   -0.01%     
===========================================
  Files         1120     1120              
  Lines        29774    29773       -1     
  Branches      6114     6114              
===========================================
- Hits         17213    17210       -3     
- Misses        9876     9878       +2     
  Partials      2685     2685              

Files Changed	Coverage Δ
...s/matrix/impl/roomlist/RoomSummaryListProcessor.kt	0.00% <0.00%> (ø)
...raries/matrix/impl/roomlist/RustRoomListService.kt	0.00% <0.00%> (ø)
...res/roomlist/impl/datasource/RoomListDataSource.kt	85.00% <100.00%> (-0.55%)	⬇️

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

[julioromano]

I've tried a similar approach yesterday while reviewing #1330 though there's a problem:

1. Open a room
2. Go to room details
3. Change its notification settings
4. Go back to the room list

Notice how the room list hasn't updated and the room still shows the outdated notification settings icon.

[ganfra]

Oh right, lets revert this part and only fix the anr then.
Anyway, it'll be handled by the rust sdk after, so will be better.