chore: revert highlight mentions while typing (WPB-1895) - RC 🍒

[github-actions]

This PR was automatically cherry-picked based on the following PR:

• chore: revert highlight mentions while typing (WPB-1895) - RC #3728

Original PR description:

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WPB-1895 [Android] Highlight mentions in TextInputs when typing

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PR Submission Checklist for internal contributors

• The PR Title

  • conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
  • contains a reference JIRA issue number like SQPIT-764
  • answers the question: If merged, this PR will: ... ³

• The PR Description

  • is free of optional paragraphs and you have filled the relevant parts to the best of your ability

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What's new in this PR?

Issues

After implementing the mention highlight feature using a different BasicTextField, we realized that this approach does not support rich content due to API limitation.

As a result, we have decided to prioritize GIF support instead and will be removing the mention feature.

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Testing

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PR Post Submission Checklist for internal contributors (Optional)

• Wire's Github Workflow has automatically linked the PR to a JIRA issue

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PR Post Merge Checklist for internal contributors

• If any soft of configuration variable was introduced by this PR, it has been added to the relevant documents and the CI jobs have been updated.

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References

1. https://sparkbox.com/foundry/semantic_commit_messages
2. https://github.com/wireapp/.github#usage
3. E.g. feat(conversation-list): Sort conversations by most emojis in the title #SQPIT-764.

[pull-request-size]

Ups 🫰🟨

This PR is too big. Please try to break it up into smaller PRs.

[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

[ohassine]

Duplicates #3727