cros-ide: Show TS filepaths in unit tests stacktrace

Using source-map-support, we can make stacktrace from Jasmine unit tests
print Typescript filepaths.
I found this in jasmine/jasmine#491 (comment) .

BUG=b:230048048
TEST=manually let a test fail and checked the stacktrace

Change-Id: Icf6cbba3049576df8b04e96ab79aaa09502cdbea
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3934909
Tested-by: Keigo Oka <oka@chromium.org>
Reviewed-by: Tomasz Tylenda <ttylenda@chromium.org>
Commit-Queue: Keigo Oka <oka@chromium.org>

ide_tooling/cros-ide/package.json

@@ -634,7 +634,7 @@
     "build-tests": "rm -rf out && tsc -p . --outDir out",
     "build-all": "npm run build && npm run build-tests",
     "test": "npm run unit-test && npm run integration-test",
-    "unit-test": "npm run build-tests && NODE_PATH=out/test/unit/injected_modules jasmine --config=src/test/unit/jasmine.json",
+    "unit-test": "npm run build-tests && NODE_PATH=out/test/unit/injected_modules NODE_OPTIONS='-r source-map-support/register' jasmine --config=src/test/unit/jasmine.json",
     "integration-test": "npm run build-all && rm -rf .vscode-test/user-data && xvfb-run -a node ./out/test/integration/runTest.js",
     "manual-test:cpp_xrefs": "NODE_PATH=out/test/unit/injected_modules npx ts-node ./src/test/manual/cpp_xrefs/main.ts",
     "lint": "npm run lint-code && npm run lint-license",
@@ -650,6 +650,7 @@
     "glob": "^7.1.7",
     "js-base64": "^3.7.2",
     "semver": "^7.3.7",
+    "source-map-support": "^0.5.21",
     "uuid": "^8.3.2",
     "ws": "^8.6.0"
   },