fix Modify commit message button spacing
What does this MR do?
.spacing class that was removing right margin
Remove wrapper span around Button that affected vertical alignment
Screenshots (if relevant)
Does this MR meet the acceptance criteria?
- 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 #3163 (closed)