[CIS-1582] Fix ChatMentionSuggestionView permanently hiding subviews

[evsaev]

🔗 Issue Link

CIS-1582

🎯 Goal

Fix issue in ChatMentionSuggestionView when once hidden subview was never shown again. This happens when users without the name are suggested.

🛠 Implementation

Manipulate isHidden depending on the text that is displayed.

🎨 Changes

after.mp4

🧪 Testing

Manual testing:

• Run DemoApp
• Create a group channel where one user does not have name
• Type @ in the channel multiple times

See that the name label is hidden only for the user without name and always shown for other.

☑️ Checklist

• I have signed the Stream CLA (required)
• This change follows zero ⚠️ policy (required)
• Changelog is updated with client-facing changes
• New code is covered by unit tests
• Affected documentation updated (docusaurus, tutorial, CMS (task created)

[codecov]

Codecov Report

Merging #1800 (331234a) into develop (2d16609) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #1800   +/-   ##
========================================
  Coverage    85.44%   85.44%           
========================================
  Files          234      234           
  Lines        11262    11262           
========================================
  Hits          9623     9623           
  Misses        1639     1639           

Flag	Coverage Δ
llc-tests	85.44% <ø> (ø)

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[nuno-vieira]

LGTM! ✅

Update: We can potentially create a new test to verify it works as intedent

Missing new test case

[nuno-vieira]

LGTM! ✅