[Search] Tree hide change

The tree is now hidden whenever there is
text in the search bar. (This allows for
the case when there are no search results,
but text in the search bar.)

platform/commonUI/browse/res/templates/browse.html

@@ -35,7 +35,7 @@
                     </mct-include>
                 </div>
                 <div class='holder tree-holder abs'
-                     ng-hide="treeModel.filter">
+                     ng-hide="treeModel.search">
                     <mct-representation key="'tree'"
                                         mct-object="domainObject"
                                         ng-model="treeModel">