[Spark] Integrate ICT into Managed Commits

[dhruvarya-db]

Which Delta project/connector is this regarding?

• [X] Spark
• [ ] Standalone
• [ ] Flink
• [ ] Kernel
• [ ] Other (fill in here)

Description

Resolves TODOs around ICT <-> MC integration.

How was this patch tested?

Updated existing tests.

Does this PR introduce any user-facing changes?

No