Update filebrowser.js

Author: benhatsor

filebrowser.js

@@ -2439,11 +2439,17 @@ function setupEditor() {
             // compare current code with new code
             // if the code is different, swap it
             if (hashCode(selText) !== hashCode(beautifiedText)) {
-
+              
+              // get current selection
+              const [startPos, endPos] = cd.getSelection();
+              
               // replace selection contents
               // with beautified text
               cd.deleteCurrentSelection();
               cd.insert(beautifiedText);
+              
+              // reselect
+              cd.setSelection(startPos, endPos);
 
               // dispatch type event (simulate typing)
               cd.dispatchTypeEvent();