fix(webapp): disable gh-triggered preview deployments if the preview env is disabled #3627

Job	Run time
typecheck / typecheck	6m 6s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	6m 9s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	8m 10s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	2m 27s
units / packages / 🧪 Unit Tests: Packages (1, 1)	3m 35s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	2m 22s
units / internal / 🧪 Unit Tests: Internal (1, 8)	5m 16s
units / internal / 🧪 Unit Tests: Internal (2, 8)	4m 29s
units / webapp / 🧪 Unit Tests: Webapp (1, 8)	5m 37s
units / internal / 🧪 Unit Tests: Internal (5, 8)	4m 15s
units / internal / 🧪 Unit Tests: Internal (3, 8)	3m 37s
units / webapp / 🧪 Unit Tests: Webapp (4, 8)	5m 10s
units / internal / 🧪 Unit Tests: Internal (7, 8)	4m 2s
units / webapp / 🧪 Unit Tests: Webapp (2, 8)	3m 26s
units / internal / 🧪 Unit Tests: Internal (4, 8)	4m 36s
units / internal / 🧪 Unit Tests: Internal (8, 8)	1m 42s
units / webapp / 🧪 Unit Tests: Webapp (6, 8)	6m 52s
units / internal / 🧪 Unit Tests: Internal (6, 8)	3m 8s
units / webapp / 🧪 Unit Tests: Webapp (8, 8)	5m 19s
units / webapp / 🧪 Unit Tests: Webapp (3, 8)	2m 28s
units / webapp / 🧪 Unit Tests: Webapp (7, 8)	2m 10s
units / webapp / 🧪 Unit Tests: Webapp (5, 8)	2m 45s
units / packages / 📊 Merge Reports	25s
units / internal / 📊 Merge Reports	24s
units / webapp / 📊 Merge Reports	44s
	1h 35m 14s

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