83906 - Outliner crashes when columns are hidden by default, r=blake, sr=hyatt

xpfe/global/resources/content/bindings/outliner.css

@@ -11,10 +11,3 @@ outlinercol {
   min-width: 16px;
 }
 
-outlinercol[hidden="true"] {
-  visibility: collapse;
-  display: -moz-xul-box;
-}
-
-
-

xpfe/global/resources/content/xul.css

@@ -421,6 +421,11 @@ outlinercol.outliner-columnpicker {
   -moz-binding: url("chrome://global/content/bindings/outliner.xml#columnpicker");
 }
 
+outlinercol[hidden="true"] {
+  visibility: collapse;
+  display: -moz-xul-box;
+}
+
 /********** deck & stack *********/
 
 deck {