Formatter: comments in single-line type definitions all moved to first line of definition

[alex-snezhko]

If I compress type definitions down to one line like:

enum E { A(Number, Number), /* first */ B(Number, Number), /* second */ }
record R { a: Number /* first */, b: Number /* second */ }

Then it gets formatted as

enum E { /* first */ /* second */
  A(Number, Number),
  B(Number, Number),
}
record R { /* first */ /* second */
  a: Number,
  b: Number,
}

When perhaps it may be more appropriate to format it like

enum E {
  A(Number, Number), /* first */
  B(Number, Number), /* second */
}
record R {
  a: Number, /* first */
  b: Number, /* second */
}