message: Not display welcome message when extension is already active.
diff: @@ -9,7 +9,8 @@ import { activationCommand } from '../commands';
  const i18nManager = new LanguageResourceManager(vscode.env.language);
  export function manageWelcomeMessage(settingsManager: ISettingsManager): void {
  - if (!settingsManager.getState().welcomeShown) {
  + const themeName = getConfig().inspect(constants.vscode.iconThemeSetting).globalValue;
  + if (!settingsManager.getState().welcomeShown || themeName !== constants.extensionName) {
  showWelcomeMessage();
  return;
  }
  