Fix 'scroll on click' in rich text TOC and comments

www/pad/comments.js

@@ -578,7 +578,7 @@ define([
 
                 // Scroll into view
                 if (!$last.length) { return; }
-                var visible = UIElements.isVisible($last[0], Env.$inner);
+                var visible = UIElements.isVisible($last[0], Env.$contentContainer);
                 if (!visible) { $last[0].scrollIntoView(); }
             };
 

www/pad/inner.js

@@ -908,7 +908,7 @@ define([
                 $(a).click(function (e) {
                     e.preventDefault();
                     e.stopPropagation();
-                    if (!obj.el || UIElements.isVisible(obj.el, $inner)) { return; }
+                    if (!obj.el || UIElements.isVisible(obj.el, $contentContainer)) { return; }
                     obj.el.scrollIntoView();
                 });
                 a.innerHTML = title;