fix: duplicate offline indicator in conversation (WPB-25293)

[sbakhtiarov]

https://wearezeta.atlassian.net/browse/WPB-25293

https://wearezeta.atlassian.net/browse/WPB-25293

What's new in this PR?

Fixing issue with duplicate offline indicator appearing in messages list.

[MohamadJaara]

@sergeibakhtiarov does it need to go into main ?

[sonarqubecloud]

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 SonarQube Cloud

[sbakhtiarov]

@sergeibakhtiarov does it need to go into main ?

Yes, need to merge it, there is a risk of crash in case of duplicate message.

[codecov]

Codecov Report

❌ Patch coverage is 75.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 49.35%. Comparing base (ed4336d) to head (8bd9f03).

Files with missing lines	Patch %	Lines
...ersations/messages/item/OfflineMessageIndicator.kt	75.00%	0 Missing and 2 partials ⚠️

❌ Your patch check has failed because the patch coverage (75.00%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #4928   +/-   ##
========================================
  Coverage    49.34%   49.35%           
========================================
  Files          646      646           
  Lines        22851    22853    +2     
  Branches      3502     3503    +1     
========================================
+ Hits         11276    11278    +2     
  Misses       10529    10529           
  Partials      1046     1046           

Files with missing lines	Coverage Δ
...rsations/messages/ConversationMessagesViewModel.kt	69.74% <ø> (ø)
...ersations/messages/item/OfflineMessageIndicator.kt	92.59% <75.00%> (ø)

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