Describe the bug

I've enabled "Full File Uploads" for my chatflow, which my understanding is that should be passed through to the model (Gemini, vertex).

However the prediction fails with a 500 error, if i check the logs I see Error: predictionsServices.buildChatflow - GOOGLE_CLOUD_STORAGE_CREDENTIAL env variable is required.

I don't see why Google cloud storage credentials are required here, and even if they were - it should use the Application Default credentials of the pod (this is running on kubernetes).

To Reproduce

1. Create an agentflow using Vertex
2. Enable full file uploads
3. Attempt to upload a file using the API eg uploads: [{data:...}]]

Expected behavior

Not to need GCS credentials here, or if GCS credentials are required, use the Application Default Credentials (ADC).

Screenshots

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Additional context

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