Fixed commit search UI

Closes #21868

app/views/search/_results.html.haml

@@ -10,6 +10,10 @@
         in group #{link_to @group.name, @group}
 
   .results.prepend-top-10
+    - if @scope == 'commits'
+      %ul.list-unstyled
+        = render partial: "search/results/commit", collection: @search_objects
+    - else
       .search-results
         - if @scope == 'projects'
           .term

app/views/search/results/_commit.html.haml

-.search-result-row
-  = render 'projects/commits/commit', project: @project, commit: commit
+= render 'projects/commits/commit', project: @project, commit: commit