Add more padding to the top of the add-photos-canvas to avoid overlap…

… with selected photos.

modules/gallery/css/gallery.css

@@ -22,7 +22,7 @@
   border: 1px solid  #ccc;
   height: 200px;
   margin: .5em 0;
-  padding: 1.8em 0 0 0;
+  padding: 2.8em 0 0 0;
   overflow: auto;
   position: relative;
 }