Reactions: Fix avatar display bugs

[obenland]

Fixes margins between avatars and details button, when there are hidden avatars:

Before	After

Fixes hidden avatars when there are fewer Likes than reposts:

Before	After

Proposed changes:

• Adjust styles to maintain consistent margin between avatars and detail button.
• Add comment type context to decide how many avatars to show.

Testing instructions:

• On a test post with a different amount of Likes and Reposts, make sure all avatars are displayed as expected.
• Make sure the distance between avatars and button is consistent.

Changelog entry

• [x] Automatically create a changelog entry from the details below.

Changelog Entry Details

Significance

• [x] Patch
• [ ] Minor
• [ ] Major

Type

• [ ] Added - for new features
• [ ] Changed - for changes in existing functionality
• [ ] Deprecated - for soon-to-be removed features
• [ ] Removed - for now removed features
• [x] Fixed - for any bug fixes
• [ ] Security - in case of vulnerabilities

Message

The amount of avatars shown in the Reactions block no longer depends on the amount of likes, but is comment type agnostic.