32720 Create equal spacing between emoji buttons and remove unnecessary margin-bottom

What does this MR do?

Fixes spacing between emoji buttons and removes unnecessary margin-bottom

Screenshots (if relevant)

| | Before | After | |---|---|---|---|---| | Issue | | | | MR | | | | Comment | | |

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes #32720 (closed)