fix: in popped out live preview ctrl-shift-z does redo now

Author: abose

src/LiveDevelopment/BrowserScripts/LiveDevProtocolRemote.js

@@ -446,15 +446,15 @@
     window.document.addEventListener("click", onDocumentClick);
     window.document.addEventListener("keydown", function (e) {
         // for undo. refer to LivePreviewEdit.js file 'handleLivePreviewEditOperation' function
-        if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === "z") {
+        if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === "z" && !e.shiftKey) {
             MessageBroker.send({
                 livePreviewEditEnabled: true,
                 undoLivePreviewOperation: true
             });
         }
 
-        // for redo
-        if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === "y") {
+        // for redo - supports both Ctrl+Y and Ctrl+Shift+Z (Cmd+Y and Cmd+Shift+Z on Mac)
+        if ((e.ctrlKey || e.metaKey) && (e.key.toLowerCase() === "y" || (e.key.toLowerCase() === "z" && e.shiftKey))) {
             MessageBroker.send({
                 livePreviewEditEnabled: true,
                 redoLivePreviewOperation: true