Fix issues with inconsistent spacing in areas (#32607)

Fix issues with inconsistent spacing in areas where the branch_dropdown
component is used.
before:

![1732238359257](https://github.com/user-attachments/assets/38edda1f-ec4e-419e-9264-68009375d177)

![1732238334410](https://github.com/user-attachments/assets/c4770aea-bc83-477c-9b6a-632f984c0d7d)

after:

![1732238273317](https://github.com/user-attachments/assets/4d05068e-db97-45af-86c4-29442dff1bdf)

![1732238723881](https://github.com/user-attachments/assets/69acd286-f79b-44fe-ad73-2d5fc6dfc98c)

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

templates/repo/commits.tmpl

@@ -4,8 +4,8 @@
 	<div class="ui container">
 		{{template "repo/sub_menu" .}}
 		<div class="repo-button-row">
-			<div class="tw-flex tw-items-center">
-				{{template "repo/branch_dropdown" dict "root" . "ContainerClasses" "tw-mr-1"}}
+			<div class="repo-button-row-left">
+				{{template "repo/branch_dropdown" dict "root" .}}
 				<a href="{{.RepoLink}}/graph" class="ui basic small compact button">
 					{{svg "octicon-git-branch"}}
 					{{ctx.Locale.Tr "repo.commit_graph"}}

templates/repo/home.tmpl

@@ -47,7 +47,7 @@
 		{{$isHomepage := (eq $n 0)}}
 		<div class="repo-button-row" data-is-homepage="{{$isHomepage}}">
 			<div class="repo-button-row-left">
-				{{template "repo/branch_dropdown" dict "root" . "ContainerClasses" "tw-mr-1"}}
+				{{template "repo/branch_dropdown" dict "root" .}}
 				{{if and .CanCompareOrPull .IsViewBranch (not .Repository.IsArchived)}}
 					{{$cmpBranch := ""}}
 					{{if ne .Repository.ID .BaseRepo.ID}}