fix(webapp): reuse the primary db pool for legacy run-ops when DSNs m… #3433

Job	Run time
typecheck / typecheck	2m 47s
units / webapp / 🧪 Unit Tests: Webapp (1, 12)	16m 4s
units / webapp / 🧪 Unit Tests: Webapp (7, 12)	6m 41s
units / internal / 🧪 Unit Tests: Internal	6m 37s
units / webapp / 🧪 Unit Tests: Webapp (2, 12)	6m 18s
units / webapp / 🧪 Unit Tests: Webapp (6, 12)	6m 24s
units / packages / 🧪 Unit Tests: Packages (1, 3)	3m 12s
units / webapp / 🧪 Unit Tests: Webapp (8, 12)	6m 28s
units / webapp / 🧪 Unit Tests: Webapp (3, 12)	6m 40s
units / packages / 🧪 Unit Tests: Packages (2, 3)	3m 14s
units / webapp / 🧪 Unit Tests: Webapp (5, 12)	6m 11s
units / webapp / 🧪 Unit Tests: Webapp (4, 12)	6m 41s
units / packages / 🧪 Unit Tests: Packages (3, 3)	4m 20s
units / e2e-webapp / 🧪 E2E Tests: Webapp	2m 42s
units / webapp / 🧪 Unit Tests: Webapp (10, 12)	6m 31s
units / webapp / 🧪 Unit Tests: Webapp (9, 12)	6m 53s
units / webapp / 🧪 Unit Tests: Webapp (12, 12)	6m 52s
units / webapp / 🧪 Unit Tests: Webapp (11, 12)	6m 43s
publish-worker-v4 / build (supervisor)	56s
publish-webapp / publish	6m 15s
units / packages / 📊 Merge Reports	19s
📣 Dispatch main image	6s
scan-webapp / Scan	1m 17s
units / webapp / 📊 Merge Reports	23s
	2h 0m 34s

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