Fix run.taskIdentifier being reported as "unknown" for batch triggers #4372

Job	Run time
typecheck / typecheck	6m 3s
sdk-compat / Cloudflare Workers	2m 0s
sdk-compat / Bun Runtime	1m 53s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	3m 23s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	4m 28s
sdk-compat / Node.js 22.12 (ubuntu-latest)	2m 10s
sdk-compat / Node.js 20.20 (ubuntu-latest)	1m 59s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	1m 45s
units / packages / 🧪 Unit Tests: Packages (1, 1)	7m 35s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	1m 48s
sdk-compat / Deno Runtime	1m 54s
units / webapp / 🧪 Unit Tests: Webapp (1, 8)	5m 37s
units / internal / 🧪 Unit Tests: Internal (8, 8)	3m 6s
units / internal / 🧪 Unit Tests: Internal (4, 8)	5m 23s
units / webapp / 🧪 Unit Tests: Webapp (5, 8)	7m 14s
units / internal / 🧪 Unit Tests: Internal (6, 8)	4m 46s
units / webapp / 🧪 Unit Tests: Webapp (2, 8)	3m 49s
units / webapp / 🧪 Unit Tests: Webapp (6, 8)	3m 44s
units / internal / 🧪 Unit Tests: Internal (3, 8)	6m 5s
units / webapp / 🧪 Unit Tests: Webapp (3, 8)	6m 6s
units / internal / 🧪 Unit Tests: Internal (5, 8)	4m 1s
units / webapp / 🧪 Unit Tests: Webapp (8, 8)	2m 49s
units / webapp / 🧪 Unit Tests: Webapp (4, 8)	2m 51s
units / webapp / 🧪 Unit Tests: Webapp (7, 8)	5m 35s
units / internal / 🧪 Unit Tests: Internal (2, 8)	10m 9s
units / internal / 🧪 Unit Tests: Internal (1, 8)	6m 21s
units / internal / 🧪 Unit Tests: Internal (7, 8)	5m 32s
units / webapp / 📊 Merge Reports	38s
units / packages / 📊 Merge Reports	23s
units / internal / 📊 Merge Reports	25s
	1h 59m 32s

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