[Mobile] Tweaks to layout

Removed the user-select option
for the context menu and bottom bar
on mobile. Also edited the folder
grid item so that its icon rep
size is not overly large.

platform/commonUI/general/res/sass/mobile/_layout.scss

@@ -199,3 +199,8 @@
         overflow-x: hidden !important;
     }
 }
+.disable-select {
+    @include phoneandtablet {
+        @include user-select(none);
+    }
+}