fix(react-router): Use underscores in trace origin values #40670

Job	Run time
Get Metadata	7s
Check PR branches	2s
Check file formatting	1m 12s
Build	51s
Size Check	1m 29s
Lint	8m 50s
Node (20) Unit Tests	1m 11s
Node (18) Unit Tests	51s
Node (22) Unit Tests	1m 6s
Node (24) Unit Tests	1m 5s
Check for faulty .d.ts files	37s
Circular Dependency Check	1m 27s
PW ${{ matrix.bundle }} Tests	0s
Browser Unit Tests	57s
Upload Artifacts	0s
Deno Unit Tests	0s
Cloudflare Integration Tests	45s
Bun Unit Tests	0s
Prepare E2E tests	2m 13s
Node Overhead Check	0s
Node (${{ matrix.node }})${{ (((matrix.typescript && format(' (TS {0})', matrix.typescript))) \|\| '') }} Integration Tests	0s
Playwright ${{ matrix.bundle }}${{ ((matrix.project && (matrix.project != 'chromium') && format(' {0}', matrix.project)) \|\| '') }}${{ ((matrix.shard && format(' ({0}/{1})', matrix.shard, matrix.shards)) \|\| '') }} Tests	0s
Remix (Node ${{ matrix.node }}) Tests	0s
E2E hydrogen-react-router-7 Test	3m 14s
E2E react-router-7-framework-spa Test	2m 18s
E2E react-router-7-framework-spa-node-20-18 Test	2m 41s
E2E react-router-7-framework (latest) Test	2m 40s
E2E react-router-7-framework-custom Test	2m 37s
E2E react-router-7-framework-node-20-18 Test	2m 22s
E2E react-router-7-framework Test	2m 54s
E2E ${{ (matrix.label \|\| matrix.test-application) }} Test (optional)	0s
All required jobs passed or were skipped	2s
	41m 31s

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