message: fix(chunk): fix prepend
diff: @@ -631,8 +631,10 @@ export class PrependN<A> extends Chunk<A> {
  const buffer = binary ? alloc(BufferSize) : new Array(BufferSize)
  buffer[BufferSize - 1] = a1
  const chunk = from(
  - this.buffer.slice(this.buffer.length - this.bufferUsed - 1) as A1[]
  - )
  + "subarray" in this.buffer
  + ? this.buffer.subarray(this.buffer.length - this.bufferUsed)
  + : this.buffer.slice(this.buffer.length - this.bufferUsed)
  + ) as Chunk<A>
  return new PrependN(
  chunk.concat(this.end),
  buffer,
  