Initialize tag_tree when switching group tabs

app/controllers/ops_controller/ops_rbac.rb

@@ -846,9 +846,7 @@ def rbac_field_changed(rec_type)
         page.replace(@refresh_div,
                      :partial => @refresh_partial,
                      :locals  => {:type => "classifications", :action_url => 'rbac_group_field_changed'}) if @refresh_div
-
         page.replace("customer_tags_div", :partial => "ops/rbac_group/customer_tags") if params[:use_filter_expression].present?
-
         # Only update description field value if ldap group user field was selected
         page << "$('#description').val('#{j_str(@edit[:new][:ldap_groups_user])}');" if params[:ldap_groups_user]
 
@@ -1152,10 +1150,10 @@ def rbac_group_get_form_vars
 
     if params[:use_filter_expression]
       @edit[:new][:use_filter_expression] = params[:use_filter_expression]
+      @group = MiqGroup.find_by(:id => @edit[:group_id])
+      rbac_group_right_tree(@edit[:new][:belongsto].keys)
       if params[:use_filter_expression] == 'false'
         @edit[:new][:use_filter_expression] = false
-        @group = MiqGroup.find_by(:id => @edit[:group_id])
-        rbac_group_right_tree(@edit[:new][:belongsto].keys)
       elsif params[:use_filter_expression] == 'true'
         @edit[:use_filter_expression] = true
       end