Fix input token spacing

What does this MR do?

Fix input token spacing in filtered search visual tokens.

How to recreate the bug

1. Type the following in the search bar author assignee:none
2. Double click on the author text
3. (The author text should be converted into an input)

Are there points in the code the reviewer needs to double check?

Shouldn't be

Why was this MR needed?

Fixes bug

Screenshots (if relevant)

Before	After

Does this MR meet the acceptance criteria?

• Tests
  • 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?

#29167 (closed)