fix

app/controllers/active_storage/direct_uploads_controller.rb

@@ -8,16 +8,13 @@ class ActiveStorage::DirectUploadsController < ActiveStorage::BaseController
 
   def create
     blob = ActiveStorage::Blob.create_before_direct_upload!(**blob_args)
+    blob.update_column(:university_id, current_university&.id)
     render json: direct_upload_json(blob)
   end
 
   private
     def blob_args
-      params.require(:blob)
-            .permit(:filename, :byte_size, :checksum, :content_type, metadata: {})
-            .to_h
-            .symbolize_keys
-            .merge({ university_id: current_university&.id })
+      params.require(:blob).permit(:filename, :byte_size, :checksum, :content_type, metadata: {}).to_h.symbolize_keys
     end
 
     def direct_upload_json(blob)