Merge branch 'fix-clipboard-styling-in-create-mr' into 'master'

Fix CSS styling for clipboard icon in new MR page

Closes #3602 

See merge request !1870

app/assets/stylesheets/framework/tw_bootstrap.scss

@@ -190,6 +190,10 @@
     .btn {
       min-width: 124px;
     }
+
+    .btn-clipboard {
+      min-width: 0px;
+    }
   }
   &.panel-small {