Move to file adds too many new lines

[gabritto]

Bug Report

🔎 Search Terms

refactoring, move to file

💻 Code

source.ts:

import { b } from './other';
const a = 1;
const c = a + b;

target.ts:

export const tt = 2;

Select const c = a + b;, trigger move to file refactoring and select target.ts file.

🙁 Actual behavior

target.ts:

import { a } from './source';

import { b } from "./other";

export const tt = 2;
const c = a + b;

🙂 Expected behavior

target.ts:

import { a } from './source';
import { b } from "./other";

export const tt = 2;
const c = a + b;

More examples in the test changes of #54358.