Better min-width for QuickAdd views

client/modules/IDE/components/AddToCollectionList.jsx

@@ -75,7 +75,7 @@ class CollectionList extends React.Component {
     }
 
     return (
-      <div className="quick-add--has-padding">
+      <div className="quick-add-wrapper">
         <Helmet>
           <title>{this.getTitle()}</title>
         </Helmet>

client/modules/IDE/components/AddToCollectionSketchList.jsx

@@ -66,7 +66,7 @@ class SketchList extends React.Component {
     }
 
     return (
-      <div>
+      <div className="quick-add-wrapper">
         <Helmet>
           <title>{this.getSketchesTitle()}</title>
         </Helmet>

client/styles/components/_quick-add.scss

@@ -1,6 +1,9 @@
+.quick-add-wrapper {
+  min-width: #{600 / $base-font-size}rem;
+}
+
 .quick-add {
   width: auto;
-  min-width: #{600 / $base-font-size}rem;
   padding: #{24 / $base-font-size}rem;
 }