Update transcription processing state: next_index=0, count=0

processing_state_transcriptions.json

@@ -23,7 +23,7 @@
     "audio/001 Basic materials.wav": "failed",
     "audio/001 Creating a cutscene (World).wav": "failed",
     "audio/001 Creating the level.wav": "failed",
-    "audio/001 Creating your First Project and UI Basics.wav": "processing"
+    "audio/001 Creating your First Project and UI Basics.wav": "failed"
   },
   "transcription_count": 0
 }