CCA: Fix camera intent view cancel timer no result bug

Add check to early return from taking process of camera intent view if
the underlying camera view ends the take process earlier(e.g. timer
canceled) and produce no take result.

Bug: b/171874692
Test: Manually
Change-Id: I7aa8c70680e6c59fa013a0ced4738a200388b30d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2505321
Commit-Queue: Inker Kuo <inker@chromium.org>
Auto-Submit: Inker Kuo <inker@chromium.org>
Reviewed-by: Wei Lee <wtlee@chromium.org>
Cr-Commit-Position: refs/heads/master@{#822076}

chromeos/components/camera_app_ui/resources/js/views/camera_intent.js

@@ -144,6 +144,10 @@ export class CameraIntent extends Camera {
     }
     return (async () => {
       await take;
+      if (this.photoResult_ === null && this.videoResultFile_ === null) {
+        // In case of take early finish without any result e.g. Timer canceled.
+        return;
+      }
 
       state.set(state.State.SUSPEND, true);
       await this.start();
@@ -153,7 +157,7 @@ export class CameraIntent extends Camera {
         } else if (this.videoResultFile_ !== null) {
           return this.reviewResult_.openVideo(this.videoResultFile_);
         } else {
-          assertNotReached('End take without intent result.');
+          assertNotReached('None of intent result.');
         }
       })();
       const result = this.photoResult_ || this.videoResult_;