[Fix] restore mouse movement in pointer lock mode (#8116)

* [Fix] restore mouse movement in pointer lock mode

* lint

---------

Co-authored-by: Martin Valigursky <[email protected]>

Author: mvaligursky

src/extras/input/sources/keyboard-mouse-source.js

@@ -205,7 +205,10 @@ class KeyboardMouseSource extends InputSource {
      * @private
      */
     _onPointerMove(event) {
-        const [movementX, movementY] = this._movementState.move(event);
+        // Use native movementX/Y when pointer lock is active, otherwise use custom calculation
+        const [movementX, movementY] = this._pointerLock && document.pointerLockElement === this._element ?
+            [event.movementX, event.movementY] :
+            this._movementState.move(event);
 
         if (event.pointerType !== 'mouse') {
             return;