fix: improve error labelling, grouping, and stack traces in the Errors feature #8323

Job	Run time
Detect changes	7s
code-quality / code-quality	1m 29s
typecheck / typecheck	3m 46s
e2e-webapp / 🧪 E2E Tests: Webapp	3m 4s
webapp / 🧪 Unit Tests: Webapp (3, 10)	4m 51s
webapp / 🧪 Unit Tests: Webapp (2, 10)	3m 50s
webapp / 🧪 Unit Tests: Webapp (9, 10)	5m 6s
webapp / 🧪 Unit Tests: Webapp (5, 10)	4m 8s
webapp / 🧪 Unit Tests: Webapp (10, 10)	5m 40s
internal / 🧪 Unit Tests: Internal (2, 12)	3m 32s
internal / 🧪 Unit Tests: Internal (10, 12)	3m 21s
internal / 🧪 Unit Tests: Internal (4, 12)	3m 31s
internal / 🧪 Unit Tests: Internal (1, 12)	3m 1s
webapp / 🧪 Unit Tests: Webapp (6, 10)	4m 34s
internal / 🧪 Unit Tests: Internal (12, 12)	1m 48s
internal / 🧪 Unit Tests: Internal (6, 12)	2m 27s
internal / 🧪 Unit Tests: Internal (7, 12)	2m 40s
webapp / 🧪 Unit Tests: Webapp (7, 10)	3m 50s
webapp / 🧪 Unit Tests: Webapp (8, 10)	3m 8s
internal / 🧪 Unit Tests: Internal (3, 12)	2m 47s
internal / 🧪 Unit Tests: Internal (5, 12)	4m 44s
internal / 🧪 Unit Tests: Internal (9, 12)	4m 48s
internal / 🧪 Unit Tests: Internal (8, 12)	4m 5s
webapp / 🧪 Unit Tests: Webapp (4, 10)	3m 28s
webapp / 🧪 Unit Tests: Webapp (1, 10)	3m 33s
internal / 🧪 Unit Tests: Internal (11, 12)	2m 12s
sdk-compat	0s
packages	0s
e2e	0s
internal / 📊 Merge Reports	20s
webapp / 📊 Merge Reports	26s
All PR Checks	5s
	1h 30m 21s

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