Update caption processing state: next_index=0

processing_state_cursors.json

@@ -14,6 +14,6 @@
     "AliveAnimationBlender_DownloadPirate.com.part3_08-07-05 Timing pass_frames.zip": "failed",
     "AliveAnimationBlender_DownloadPirate.com.part3_08-07-06 full process (timelapse)_frames.zip": "failed",
     "AliveAnimationBlender_DownloadPirate.com.part3_08-08 Camera_frames.zip": "failed",
-    "AliveAnimationBlender_DownloadPirate.com.part3_08-09-01 Polishing part 01_frames.zip": "processing"
+    "AliveAnimationBlender_DownloadPirate.com.part3_08-09-01 Polishing part 01_frames.zip": "failed"
   }
 }