Room list : debounce subscribe to visible rooms.

[ganfra]

Content

Avoid cancelling sync request too often because we subscribe to visible rooms by adding a debounce.

Motivation and context

Screenshots / GIFs

Tests

• Step 1
• Step 2
• Step ...

Tested devices

• Physical
• Emulator
• OS version(s):

Checklist

• Changes have been tested on an Android device or Android emulator with API 23
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/element-hq/element-x-android/blob/develop/CONTRIBUTING.md#accessibility
• Pull request is based on the develop branch
• Pull request title will be used in the release note, it clearly define what will change for the user
• Pull request includes screenshots or videos if containing UI changes
• Pull request includes a sign off
• You've made a self review of your PR

[github-actions]

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[bmarty]

LGTM, but it seems that some test(s) are failing

[jmartinesp]

LGTM, but it seems that some test(s) are failing

I fixed those in 4b2ea11, added a separate test for cancellation 🤞 .

[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

All modified and coverable lines are covered by tests ✅

Project coverage is 82.67%. Comparing base (2d31308) to head (4b2ea11).
Report is 5 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #3491   +/-   ##
========================================
  Coverage    82.67%   82.67%           
========================================
  Files         1731     1731           
  Lines        40841    40842    +1     
  Branches      4968     4968           
========================================
+ Hits         33764    33766    +2     
  Misses        5315     5315           
+ Partials      1762     1761    -1     

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