fix: sourceMapFilename is relative #15888

Job	Run time
Pnpm Lockfile Check	31s
Check Source Changed	6s
Check license of dependencies	25s
Run benchmark	0s
Spell check	6s
Run Ecosystem CI	0s
Get Runner Labels / Get Runner Labels	6s
Lint and format code	38s
Lint and format website	0s
Rust Changes	7s
Test Release Linux	0s
Test Mac	0s
Test Release Windows	0s
Test Release Mac	0s
Test Windows / Build	1m 55s
Test Linux / Build	2m 6s
Rust check	2m 21s
Rust test	2m 6s
Check Rust Unused Dependencies	32s
Test Windows / Test Node 18	6m 6s
Test Windows / E2E Testing	0s
Test Linux / E2E Testing	1m 24s
Test Linux / Test Node 18	5m 48s
Failure Notification	0s
Pkg Preview	0s
	24m 17s

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