Fix hierarchy tree scrolling.

themes/bootstrap3/js/hierarchyTree.js

@@ -168,19 +168,10 @@ $(document).ready(function hierarchyTreeReady() {
       });
 
       // Scroll to the current record
-      if ($('#hierarchyTree').parents('#modal').length > 0) {
-        var hTree = $('#hierarchyTree');
-        var offsetTop = hTree.offset().top;
-        var maxHeight = Math.max($(window).height() - 200, 200);
-        hTree.css('max-height', maxHeight + 'px').css('overflow', 'auto');
-        hTree.animate({
-          scrollTop: $('.jstree-clicked').offset().top - offsetTop + hTree.scrollTop() - 50
-        }, 1500);
-      } else {
-        $('html,body').animate({
-          scrollTop: $('.jstree-clicked').offset().top - 50
-        }, 1500);
-      }
+      var hTree = $('#hierarchyTree');
+      hTree.animate({
+        scrollTop: $('.jstree-clicked').offset().top - hTree.offset().top + hTree.scrollTop() - 50
+      }, 1000);
     })
     .jstree({
       plugins: ['search', 'types'],