`prefer-array-flat` fix is *not* safe

[Manu1400]

Same issue in Biome linter: biomejs/biome#6142

Rule prefer-array-flat fix is not safe.

const randomObject = {
  flatMap(f) {
    f()
  }
}

randomObject.flatMap((x) => x)

testcase

https://biomejs.dev/playground/?code=YwBvAG4AcwB0ACAAcgBhAG4AZABvAG0ATwBiAGoAZQBjAHQAIAA9ACAAewAKACAAIABmAGwAYQB0AE0AYQBwACgAZgApACAAewAKACAAIAAgACAAZgAoACkACgAgACAAIAAgAGMAbwBuAHMAbwBsAGUALgBsAG8AZwAoACIAaABpACIAKQAKACAAIAB9AAoAfQAKAAoAcgBhAG4AZABvAG0ATwBiAGoAZQBjAHQALgBmAGwAYQB0AE0AYQBwACgAKAB4ACkAIAA9AD4AIAB4ACkA

[woody-li]

Maybe related to #2007