fix(core): Workflow diff preview errors out in push dialog for workflow that's newly created #47896

Job	Run time
Install & Build	5m 8s
Bundle Size Check	59s
Typecheck	3m 42s
Unit tests / Backend Integration Tests	5m 48s
Unit tests / Backend Unit Tests	5m 22s
Unit tests / Frontend (1/2)	9m 45s
Unit tests / Frontend (2/2)	8m 55s
Unit tests / Nodes Unit Tests	3m 34s
Lint / Lint	5m 4s
E2E Tests / Multi-Main: Isolated / Test (Shard 1/1)	13m 49s
E2E Tests / Multi-Main: UI / Test (Shard 3/8)	11m 34s
E2E Tests / Multi-Main: UI / Test (Shard 1/8)	11m 24s
E2E Tests / Multi-Main: UI / Test (Shard 2/8)	12m 13s
E2E Tests / Multi-Main: UI / Test (Shard 4/8)	8m 40s
E2E Tests / Multi-Main: UI / Test (Shard 8/8)	14m 22s
E2E Tests / Multi-Main: UI / Test (Shard 5/8)	12m 53s
E2E Tests / Multi-Main: UI / Test (Shard 6/8)	11m 17s
E2E Tests / Multi-Main: UI / Test (Shard 7/8)	12m 17s
Unit tests / Unit tests	3s
Required Checks	3s
	2h 36m 52s

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