Add btn-icon class for commit action buttons

Make sure the commit action buttons have the right spacing
by adding the `.btn-icon` class.

app/helpers/commits_helper.rb

@@ -105,7 +105,7 @@ module CommitsHelper
       tooltip = _("Browse Directory")
     end
 
-    link_to url, class: "btn gl-button btn-default has-tooltip", title: tooltip, data: { container: "body" } do
+    link_to url, class: "btn gl-button btn-default btn-icon has-tooltip", title: tooltip, data: { container: "body" } do
       sprite_icon('folder-open')
     end
   end

app/views/projects/commits/_commit.html.haml

@@ -60,5 +60,5 @@
       .commit-sha-group.btn-group.d-none.d-sm-flex
         .label.label-monospace.monospace
           = commit.short_id
-        = clipboard_button(text: commit.id, title: _("Copy commit SHA"), class: "gl-button btn btn-default", container: "body")
+        = clipboard_button(text: commit.id, title: _("Copy commit SHA"), class: "gl-button btn btn-default btn-icon", container: "body")
         = link_to_browse_code(project, commit)

changelogs/unreleased/btn-icon-commit-action.yml

+---
+title: Add btn-icon class for commit action buttons
+merge_request: 54286
+author: Yogi (@yo)
+type: changed