fix(run-engine): don't mislabel DB errors as UnclassifiableWaitpointId in completeWaitpoint #8464

Job	Run time
code-quality / code-quality	2m 5s
Detect changes	7s
internal / 🧪 Unit Tests: Internal	3m 22s
e2e-webapp / 🧪 E2E Tests: Webapp	2m 42s
typecheck / typecheck	2m 31s
webapp / 🧪 Unit Tests: Webapp (3, 12)	3m 51s
webapp / 🧪 Unit Tests: Webapp (1, 12)	3m 51s
webapp / 🧪 Unit Tests: Webapp (4, 12)	2m 13s
webapp / 🧪 Unit Tests: Webapp (8, 12)	3m 36s
webapp / 🧪 Unit Tests: Webapp (10, 12)	3m 36s
webapp / 🧪 Unit Tests: Webapp (12, 12)	3m 36s
webapp / 🧪 Unit Tests: Webapp (9, 12)	3m 52s
webapp / 🧪 Unit Tests: Webapp (6, 12)	2m 50s
webapp / 🧪 Unit Tests: Webapp (11, 12)	3m 36s
webapp / 🧪 Unit Tests: Webapp (5, 12)	3m 0s
webapp / 🧪 Unit Tests: Webapp (2, 12)	3m 30s
webapp / 🧪 Unit Tests: Webapp (7, 12)	2m 12s
e2e	0s
sdk-compat	0s
packages	0s
All PR Checks	5s
webapp / 📊 Merge Reports	1s
	50m 36s

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