improvement(providers): align attachment dispatch to vendor SDK types… #17015

Job	Run time
Test and Build / Test and Build	4m 39s
Detect Version	4s
Check Docs Changes	0s
Build ARM64 (GHCR Only)	-1s
Build Dev ECR	-1s
Migrate Dev DB	-1s
Build AMD64 (./docker/realtime.Dockerfile, ghcr.io/simstudioai/realtime, ECR_REALTIME)	1m 9s
Build AMD64 (./docker/app.Dockerfile, ghcr.io/simstudioai/simstudio, ECR_APP)	5m 55s
Build AMD64 (./docker/db.Dockerfile, ghcr.io/simstudioai/migrations, ECR_MIGRATIONS)	1m 19s
Process Docs	-1s
Create GitHub Release	0s
Create GHCR Manifests	0s
	13m 2s

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