Improve pointer lock handling and update unit tests for third-person navigation

src/runtime-three/third-person-navigation-controller.ts

@@ -858,9 +858,15 @@ export class ThirdPersonNavigationController implements NavigationController {
     if (
       event.code === "Escape" &&
       this.context !== null &&
-      document.pointerLockElement === this.context.domElement
+      (this.pointerLocked ||
+        document.pointerLockElement === this.context.domElement)
     ) {
-      document.exitPointerLock();
+      event.preventDefault();
+      event.stopImmediatePropagation();
+
+      if (document.pointerLockElement === this.context.domElement) {
+        document.exitPointerLock();
+      }
     }
   };
 

tests/unit/third-person-navigation-controller.test.ts

@@ -161,7 +161,11 @@ describe("ThirdPersonNavigationController", () => {
     });
 
     controller.activate(context);
-    window.dispatchEvent(new KeyboardEvent("keydown", { code: "Escape" }));
+    (
+      controller as unknown as {
+        handleKeyDown(event: KeyboardEvent): void;
+      }
+    ).handleKeyDown(new KeyboardEvent("keydown", { code: "Escape" }));
 
     expect(exitPointerLock).toHaveBeenCalledTimes(1);