Extract type refactoring duplicates nearby comments

[Tyriar]

microsoft/vscode#74310

[mjbvz]

Tested with [email protected]

Example code:

type a = { x: string } /* foo */ | string /* bar */;

Select the entire type and run extract type. Result:

type NewType = {
    x: string;
} /* foo */ | string /* bar */;

type a = NewType /* bar */;