fix for open elements under modal when .modal-open

docs/assets/css/bootstrap.css

@@ -4815,19 +4815,19 @@ input[type="submit"].btn.btn-mini {
   background-color: #fff;
 }
 
-.modal-open .dropdown-menu {
+.modal-open .modal .dropdown-menu {
   z-index: 2050;
 }
 
-.modal-open .dropdown.open {
+.modal-open .modal .dropdown.open {
   *z-index: 2050;
 }
 
-.modal-open .popover {
+.modal-open .modal .popover {
   z-index: 2060;
 }
 
-.modal-open .tooltip {
+.modal-open .modal .tooltip {
   z-index: 2080;
 }
 

less/modals.less

@@ -3,8 +3,9 @@
 // --------------------------------------------------
 
 
-// Recalculate z-index where appropriate
-.modal-open {
+// Recalculate z-index where appropriate,
+// but only apply to elements within modal
+.modal-open .modal {
   .dropdown-menu {  z-index: @zindexDropdown + @zindexModal; }
   .dropdown.open { *z-index: @zindexDropdown + @zindexModal; }
   .popover       {  z-index: @zindexPopover  + @zindexModal; }