message: Don't await `editor.action.wordHighlight.trigger`
  This seems to save a few millis per keystroke
  Refs
diff: @@ -1362,7 +1362,7 @@ export class ModeHandler implements vscode.Disposable {
  // `editor.occurrencesHighlight`.
  const range = new vscode.Range(vimState.cursorStartPosition, vimState.cursorStopPosition);
  if (!/\s+/.test(vimState.editor.document.getText(range))) {
  - await vscode.commands.executeCommand('editor.action.wordHighlight.trigger');
  + vscode.commands.executeCommand('editor.action.wordHighlight.trigger');
  }
  }
  