Merge pull request #2519 from overleaf/cmg-scroll-to-root

Make possible moving file to root directory from folder by scrolling

GitOrigin-RevId: c5b740c1ff121765edc1ea8e77e4db2401bf95b0

services/web/frontend/stylesheets/app/editor/file-tree.less

@@ -81,6 +81,8 @@
     margin: 0;
     overflow-x: hidden;
     height: 100%;
+    position: relative;
+    overflow-y: auto;
 
     ul {
       margin-left: (@line-height-computed / 2);