message: feat: gn,gN also support visual block mode
diff: @@ -2191,7 +2191,7 @@ function selectLastSearchWord(vimState: VimState, direction: SearchDirection) {
  @RegisterAction
  class CommandSelectNextLastSearchWord extends BaseCommand {
  - modes = [ModeName.Normal, ModeName.Visual];
  + modes = [ModeName.Normal, ModeName.Visual, ModeName.VisualBlock];
  keys = ['g', 'n'];
  public async exec(position: Position, vimState: VimState): Promise<VimState> {
  @@ -2201,7 +2201,7 @@ class CommandSelectNextLastSearchWord extends BaseCommand {
  @RegisterAction
  class CommandSelectPreviousLastSearchWord extends BaseCommand {
  - modes = [ModeName.Normal, ModeName.Visual];
  + modes = [ModeName.Normal, ModeName.Visual, ModeName.VisualBlock];
  keys = ['g', 'N'];
  public async exec(position: Position, vimState: VimState): Promise<VimState> {
  