fix: self leave conversation shouldn't be archived automatically

[arjita-mitra]

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PR Submission Checklist for internal contributors

• The PR Title

  • Leave conversation should not archive automatically

• The PR Description

  • conversation should not be automatically archived after user is removed from the conversation or after they have left by themselves. Archiving conversations should always be an overt activity performed by the user.

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References

1. https://wearezeta.atlassian.net/browse/WPB-3769

[codecov]

Codecov Report

Merging #15606 (c20973a) into dev (ed8688f) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev   #15606   +/-   ##
=======================================
  Coverage   43.37%   43.37%           
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  Files         653      653           
  Lines       22280    22278    -2     
  Branches     5096     5095    -1     
=======================================
  Hits         9664     9664           
+ Misses      11377    11375    -2     
  Partials     1239     1239