Since there is now a second `<input>` in the repo buttons, we can make a
better-looking layout with no empty space, except on mobile.
Also I fixed one bug with focus border on clone panel.
## Large
<img width="1163" alt="Screenshot 2024-04-23 at 22 25 22"
src="8135a572-aa67-4672-ad49-b76b06890b52">
## Medium
<img width="870" alt="Screenshot 2024-04-23 at 22 25 34"
src="9e93f61c-3315-4a78-8328-8cefad5b50fa">
## Mobile
<img width="416" alt="Screenshot 2024-04-23 at 22 25 52"
src="859e341f-807a-48e6-8bcf-31715963216c">
Fix regression from https://github.com/go-gitea/gitea/pull/30194 where
right-aligned items would not display correctly.
Before and After:
<img width="285" alt="Screenshot 2024-04-06 at 01 12 11"
src="f9168db5-0f69-4b5d-ba17-b60145ac4a09">
<img width="285" alt="Screenshot 2024-04-06 at 01 11 49"
src="639ab6ed-d018-4e3a-9980-1f079e4ebe9d">
Frontpage search tweaked to accommodate (which was the reason for the
changes that broken above):
<img width="445" alt="Screenshot 2024-04-06 at 01 11 34"
src="1919220b-390e-463a-8e3d-33a3556bf111">
<img width="438" alt="Screenshot 2024-04-06 at 01 11 39"
src="fd94f8e4-1d56-4b04-99e3-1cd240bd7ab4">
