Fix: Organization Interface Display Issue (#30133)

**Before**

![image](https://github.com/go-gitea/gitea/assets/37935145/88d04a4b-6dc5-4399-9813-2c339eae3722)

**After**

![image](https://github.com/go-gitea/gitea/assets/37935145/e97a64b8-ea24-4de7-992d-5928888872d0)

templates/org/home.tmpl

@@ -16,7 +16,7 @@
 			{{if .ShowMemberAndTeamTab}}
 			<div class="ui five wide column">
 				{{if .CanCreateOrgRepo}}
-					<div class="center aligned">
+					<div class="center aligned tw-mb-4">
 						<a class="ui primary button" href="{{AppSubUrl}}/repo/create?org={{.Org.ID}}">{{ctx.Locale.Tr "new_repo"}}</a>
 						{{if not .DisableNewPullMirrors}}
 							<a class="ui primary button" href="{{AppSubUrl}}/repo/migrate?org={{.Org.ID}}&mirror=1">{{ctx.Locale.Tr "new_migrate"}}</a>

templates/org/menu.tmpl

@@ -1,5 +1,5 @@
 <div class="ui container">
-	<overflow-menu class="ui secondary pointing tabular borderless menu">
+	<overflow-menu class="ui secondary pointing tabular borderless menu tw-mb-4">
 		<div class="overflow-menu-items">
 			<a class="{{if .PageIsViewRepositories}}active {{end}}item" href="{{$.Org.HomeLink}}">
 				{{svg "octicon-repo"}} {{ctx.Locale.Tr "user.repositories"}}