message: Fix `C` in visual block mode
  Fixes
diff: @@ -2851,22 +2851,22 @@ class ActionChangeToEOLInVisualBlockMode extends BaseCommand {
  }
  public async exec(position: Position, vimState: VimState): Promise<void> {
  - for (const { start } of TextEditor.iterateLinesInBlock(vimState)) {
  + const cursors: Range[] = [];
  + for (const cursor of vimState.cursors) {
  + for (const { start, end } of TextEditor.iterateLinesInBlock(vimState, cursor)) {
  vimState.recordedState.transformer.addTransformation({
  type: 'deleteRange',
  range: new Range(start, start.getLineEnd()),
  collapseRange: true,
  });
  + cursors.push(new Range(end, end));
  + }
  }
  + vimState.cursors = cursors;
  await vimState.setCurrentMode(Mode.Insert);
  vimState.isMultiCursor = true;
  vimState.isFakeMultiCursor = true;
  -
  - for (const { end } of TextEditor.iterateLinesInBlock(vimState)) {
  - vimState.cursors.push(new Range(end, end));
  - }
  - vimState.cursors = vimState.cursors.slice(1);
  }
  }
  