fix image scaling

dashboard-ui/scripts/librarybrowser.js

@@ -31,15 +31,18 @@
 
     function getDesiredAspect(shape) {
 
-        switch (shape) {
+        if (shape) {
-
+            shape = shape.toLowerCase();
-            case 'square':
+            if (shape.indexOf('portrait') != -1) {
-                return 1;
-            case 'backdrop':
-                return (16 / 9);
-            case 'portrait':
                 return (2 / 3);
             }
+            if (shape.indexOf('backdrop') != -1) {
+                return (16 / 9);
+            }
+            if (shape.indexOf('square') != -1) {
+                return 1;
+            }
+        }
         return null;
     }