recorder: Fix cra.py tsc not working

noUncheckedSideEffectImports is enabled by default in CL:5942000, which
triggers compile error because of missing import mapping.

Fix this by adding the corresponding path mapping to generated tsconfig.

Bug: None
Test: cra.py tsc $BOARD && cra.py dev $BOARD
Change-Id: Ie9c1b059e12ddd03ab2b2af847d4969055953e76
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6013903
Commit-Queue: Pi-Hsun Shih <pihsun@chromium.org>
Auto-Submit: Pi-Hsun Shih <pihsun@chromium.org>
Reviewed-by: Shik Chen <shik@chromium.org>
Commit-Queue: Shik Chen <shik@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1381680}