Topics issue with latest polls-version(v0.9.15) and humhub v1.3 beta3

[staxDB]

When creating and editing a poll, you can add topics:

However, if you then click on the topic, the following error message appears:

TypeError: Cannot read property 'setSelection' of undefinedTypeError: Cannot read property 'setSelection' of undefined
    at init.WallStreamFilter.onTopicUpdated (http://localhost:8888/humhub/assets/b9fe4c62/js/humhub.stream.wall.js?v=1533023439:220:25)
    at Object.proxy (http://localhost:8888/humhub/assets/1e439063/jquery.js?v=1533026634:496:14)
    at Object.dispatch (http://localhost:8888/humhub/assets/1e439063/jquery.js?v=1533026634:5206:27)
    at Object.elemData.handle (http://localhost:8888/humhub/assets/1e439063/jquery.js?v=1533026634:5014:28)
    at Object.trigger (http://localhost:8888/humhub/assets/1e439063/jquery.js?v=1533026634:8201:12)
    at Object. (http://localhost:8888/humhub/assets/1e439063/jquery.js?v=1533026634:8269:17)
    at Function.each (http://localhost:8888/humhub/assets/1e439063/jquery.js?v=1533026634:362:19)
    at jQuery.fn.init.each (http://localhost:8888/humhub/assets/1e439063/jquery.js?v=1533026634:157:17)
    at jQuery.fn.init.trigger (http://localhost:8888/humhub/assets/1e439063/jquery.js?v=1533026634:8268:15)
    at Object.trigger (http://localhost:8888/humhub/static/js/humhub/humhub.core.js?v=1533025947:268:25)
    at updated (http://localhost:8888/humhub/assets/63253ae3/js/humhub.topic.js?v=1533026635:71:15)
    at Object.addTopic (http://localhost:8888/humhub/assets/63253ae3/js/humhub.topic.js?v=1533026635:30:9)
    at _executeAction (http://localhost:8888/humhub/static/js/humhub/humhub.action.js?v=1533025947:430:35)
    at ActionBinding.handle (http://localhost:8888/humhub/static/js/humhub/humhub.action.js?v=1533025947:403:17)
    at HTMLAnchorElement. (http://localhost:8888/humhub/static/js/humhub/humhub.action.js?v=1533025947:623:27)
    at HTMLDocument.dispatch (http://localhost:8888/humhub/assets/1e439063/jquery.js?v=1533026634:5206:27)