Handle scoped package resolution from custom type roots

[sheetalkamat]

tldraw/tldraw

13 of 20 projects failed to build with the old tsc and were ignored

packages/vec/tsconfig.build.json

• error TS2688: Cannot find type definition file for '@testing-library/jest-dom'.

  • Project Scope in packages/vec/tsconfig.build.json

• error TS2688: Cannot find type definition file for '@testing-library/react'.

  • Project Scope in packages/vec/tsconfig.build.json

packages/vec/tsconfig.dev.json

• error TS2688: Cannot find type definition file for '@testing-library/jest-dom'.

  • Project Scope in packages/vec/tsconfig.dev.json

• error TS2688: Cannot find type definition file for '@testing-library/react'.

  • Project Scope in packages/vec/tsconfig.dev.json

packages/intersect/tsconfig.build.json

• error TS2688: Cannot find type definition file for '@testing-library/jest-dom'.

  • Project Scope in packages/vec/tsconfig.json

• error TS2688: Cannot find type definition file for '@testing-library/react'.

  • Project Scope in packages/vec/tsconfig.json

packages/intersect/tsconfig.dev.json

• error TS2688: Cannot find type definition file for '@testing-library/jest-dom'.

  • Project Scope in packages/vec/tsconfig.json

• error TS2688: Cannot find type definition file for '@testing-library/react'.

  • Project Scope in packages/vec/tsconfig.json

packages/curve/tsconfig.build.json

• error TS2688: Cannot find type definition file for '@testing-library/jest-dom'.

  • Project Scope in packages/curve/tsconfig.build.json

• error TS2688: Cannot find type definition file for '@testing-library/react'.

  • Project Scope in packages/curve/tsconfig.build.json

packages/curve/tsconfig.dev.json

• error TS2688: Cannot find type definition file for '@testing-library/jest-dom'.

  • Project Scope in packages/curve/tsconfig.dev.json

• error TS2688: Cannot find type definition file for '@testing-library/react'.

  • Project Scope in packages/curve/tsconfig.dev.json

packages/curve/tsconfig.json

• error TS2688: Cannot find type definition file for '@testing-library/jest-dom'.

  • Project Scope in packages/curve/tsconfig.json

• error TS2688: Cannot find type definition file for '@testing-library/react'.

  • Project Scope in packages/curve/tsconfig.json

This one needs further fixing. If looking into node_modules/@types we need to handle scoped package names.

Originally posted by @sheetalkamat in #53122 (comment)

[sheetalkamat]

This also needs to update typeRoots to: ["node_modules/@types", "node_modules"]
https://github.com/tldraw/tldraw/blob/main/tsconfig.base.json#L31