message: Correct replacement confirmation text
  Fixes
diff: @@ -174,7 +174,7 @@ export class SubstituteCommand extends node.CommandBase {
  if (
  !(this._arguments.flags & SubstituteFlags.ConfirmEach) ||
  - (await this.confirmReplacement(regex.source, line, vimState, match, matchPos))
  + (await this.confirmReplacement(this._arguments.replace, line, vimState, match, matchPos))
  ) {
  const rangeEnd = newContent.length;
  newContent =
  