Merge branch '19708-label-selection-clutter' into 'master'

Add margin to filter labels

## What does this MR do?
Adds margin to filter labels

## Why was this MR needed?
It was pretty ugly before

## What are the relevant issue numbers?
Closes #19708

## Screenshots (if relevant)
![Screen_Shot_2016-07-11_at_4.42.05_PM](/uploads/55c049e442a16a06c14bb9394137cc87/Screen_Shot_2016-07-11_at_4.42.05_PM.png)


See merge request !5194

app/assets/stylesheets/pages/labels.scss

@@ -162,9 +162,15 @@
 }
 
 .filtered-labels {
+  font-size: 0;
+  padding: 12px 16px;
+
   .label-row {
+    margin-top: 4px;
+    margin-bottom: 4px;
+
     &:not(:last-child) {
-      margin-right: 5px;
+      margin-right: 8px;
     }
   }