Fix commit compare style (go-gitea#26209) (go-gitea#26226)

Backport go-gitea#26209 by @puni9869

as title

Fixes : go-gitea#25825
Before
<img width="1334" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/c54a41b0-39bd-4094-a956-081a8f4128f2">

After change
<img width="1340" alt="image"
src="https://github.com/go-gitea/gitea/assets/80308335/c112d235-6bbe-4bcb-9529-78da3ab0fa14">

Co-authored-by: puni9869 <80308335+puni9869@users.noreply.github.com>

templates/repo/commits_table.tmpl

@@ -8,7 +8,7 @@
 			{{.locale.Tr "repo.commits.no_commits" $.BaseBranch $.HeadBranch}} {{if .RefName}}({{.RefName}}){{end}}
 		{{end}}
 	</div>
-	<div class="commits-table-right">
+	<div class="commits-table-right gt-whitespace-nowrap">
 		{{if .PageIsCommits}}
 			<form class="ignore-dirty" action="{{.RepoLink}}/commits/{{.BranchNameSubURL}}/search">
 				<div class="ui tiny search input">