code: function byIdCompQuery(id, selector) {
        var actualSelector = tiaEJ.replaceAll(selector);
        var cmp = this.byId(id).down(actualSelector);
        if (!cmp) {
          throw new Error(
            'Component not found for container id: ' + id + ', selector: ' + selector + ' , actualSelector: ' + actualSelector
          );
        }
        return cmp;
      }
docs: Search by container id and selector.
  https://docs.sencha.com/extjs/6.5.3/modern/Ext.Container.html#method-down
  @param id - container id.
  @param {String} selector - substrings like 'l"locale_key"' will be replaced by '"value_for_key"',
  i.e. '[text=l"settings"]' will be changed to '[text="Настройки"] for russian locale.
  Also id like '##idKey' will be replaced by '#realId' from tiaEJ.idMap.