feat: support custom source root

[SyMind]

Fix: #3862
Relying on PRs: web-infra-dev/rspack-sources#83 , web-infra-dev/rspack-sources#84 , web-infra-dev/rspack-sources#85

Summary

Test Plan

Require Documentation?

• No
• Yes, the corresponding rspack-website PR is __

[SyMind]

!bench

[rspack-bot]

📝 Benchmark detail: Open

Name	Base (2024-02-01 e4dc2f4)	Current	Change
10000_development-mode + exec	1.7 s ± 14 ms	1.67 s ± 19 ms	-1.93 %
10000_development-mode_hmr + exec	950 ms ± 10 ms	921 ms ± 15 ms	-3.04 %
10000_production-mode + exec	2.75 s ± 46 ms	2.62 s ± 17 ms	-4.96 %
arco-pro_development-mode + exec	2.69 s ± 32 ms	2.67 s ± 50 ms	-0.78 %
arco-pro_development-mode_hmr + exec	1.09 s ± 16 ms	1.07 s ± 40 ms	-2.17 %
arco-pro_production-mode + exec	4.29 s ± 57 ms	4.23 s ± 67 ms	-1.24 %
threejs_development-mode_10x + exec	1.99 s ± 25 ms	1.9 s ± 19 ms	-4.34 %
threejs_development-mode_10x_hmr + exec	1.23 s ± 14 ms	1.13 s ± 6.9 ms	-8.25 %
threejs_production-mode_10x + exec	5.81 s ± 40 ms	5.63 s ± 27 ms	-3.19 %