Fix(webapp): Dynamically load spline on 404 on page #3994

Job	Run time
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	3m 46s
typecheck / typecheck	6m 27s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	1m 48s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	1m 46s
units / packages / 🧪 Unit Tests: Packages (1, 1)	7m 51s
units / webapp / 🧪 Unit Tests: Webapp (2, 8)	4m 14s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	3m 22s
units / webapp / 🧪 Unit Tests: Webapp (3, 8)	6m 5s
units / internal / 🧪 Unit Tests: Internal (2, 8)	5m 5s
units / webapp / 🧪 Unit Tests: Webapp (5, 8)	7m 37s
units / webapp / 🧪 Unit Tests: Webapp (6, 8)	2m 52s
units / webapp / 🧪 Unit Tests: Webapp (4, 8)	3m 50s
units / webapp / 🧪 Unit Tests: Webapp (8, 8)	2m 44s
units / internal / 🧪 Unit Tests: Internal (7, 8)	5m 6s
units / internal / 🧪 Unit Tests: Internal (6, 8)	4m 21s
units / internal / 🧪 Unit Tests: Internal (5, 8)	3m 55s
units / webapp / 🧪 Unit Tests: Webapp (7, 8)	5m 53s
units / internal / 🧪 Unit Tests: Internal (3, 8)	5m 49s
units / internal / 🧪 Unit Tests: Internal (8, 8)	2m 54s
units / internal / 🧪 Unit Tests: Internal (4, 8)	5m 23s
units / internal / 🧪 Unit Tests: Internal (1, 8)	5m 31s
units / webapp / 🧪 Unit Tests: Webapp (1, 8)	5m 50s
units / internal / 📊 Merge Reports	21s
units / webapp / 📊 Merge Reports	43s
units / packages / 📊 Merge Reports	24s
	1h 43m 37s

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