regression: opacity animation issue on touch and incorrect height of hide message button

[OtavioStasiak]

Proposed changes

When touching the RoomItem, the opacity animation was not working due to a regression introduced in PR #6027. This also fixes the incorrect height of the HideMessage button on the RoomItem.

Issue(s)

https://rocketchat.atlassian.net/browse/NATIVE-827

How to test or reproduce

• Open the app;
• Click on RoomItem on RoomsListView;
• Slide left the roomItem to show the HideMessage button;

Screenshots

Touch Opacity (RoomItem)

Before	After

Height of Hide Message (RoomItem)

Before	After

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves a current function)
• New feature (non-breaking change which adds functionality)
• Documentation update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• I have signed the CLA
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if applicable)
• I have added necessary documentation (if applicable)
• Any dependent changes have been merged and published in downstream modules

Further comments