Fix: fixes and prerequisites for v4 self-hosting (#2150) #2365

Job	Run time
typecheck / typecheck	5m 20s
units / packages / 🧪 Unit Tests: Packages (1, 1)	3m 2s
units / webapp / 🧪 Unit Tests: Webapp (6, 10)	6m 27s
units / webapp / 🧪 Unit Tests: Webapp (4, 10)	5m 3s
units / webapp / 🧪 Unit Tests: Webapp (3, 10)	2m 28s
units / webapp / 🧪 Unit Tests: Webapp (2, 10)	2m 6s
units / webapp / 🧪 Unit Tests: Webapp (7, 10)	2m 6s
units / internal / 🧪 Unit Tests: Internal (1, 8)	3m 40s
units / internal / 🧪 Unit Tests: Internal (3, 8)	3m 28s
units / internal / 🧪 Unit Tests: Internal (4, 8)	4m 2s
units / webapp / 🧪 Unit Tests: Webapp (8, 10)	2m 3s
units / webapp / 🧪 Unit Tests: Webapp (5, 10)	2m 45s
units / webapp / 🧪 Unit Tests: Webapp (10, 10)	2m 7s
units / webapp / 🧪 Unit Tests: Webapp (9, 10)	2m 3s
units / internal / 🧪 Unit Tests: Internal (5, 8)	3m 50s
units / internal / 🧪 Unit Tests: Internal (8, 8)	1m 52s
units / internal / 🧪 Unit Tests: Internal (2, 8)	4m 11s
units / webapp / 🧪 Unit Tests: Webapp (1, 10)	2m 4s
units / internal / 🧪 Unit Tests: Internal (7, 8)	3m 58s
units / internal / 🧪 Unit Tests: Internal (6, 8)	3m 11s
units / packages / 📊 Merge Reports	18s
units / internal / 📊 Merge Reports	19s
publish-worker / build (docker-provider)	54s
publish-webapp / publish	3m 7s
publish-worker / build (coordinator)	1m 35s
publish-worker / build (kubernetes-provider)	49s
publish-worker-v4 / build (supervisor)	2m 9s
units / webapp / 📊 Merge Reports	20s
	1h 15m 17s

Provide feedback