Reproduction link or steps

n/a

What is expected?

Should allow the user to customize the onlyRemoveTypeImports when toplevel tsconfig is specified.

What is actually happening?

1. User tries to customize the onlyRemoveTypeImports when top top-level tsconfig is specified, but fails.

System Info

n/a

Any additional comments?

1. Should figure out why the default value of onlyRemoveTypeImports becomes true when toplevel tsconfig is specified.