eliminate cyclic dependencies by register most-used components globally

src/components/poll/poll.js

@@ -1,5 +1,5 @@
 import Checkbox from 'components/checkbox/checkbox.vue'
-import RichContent from 'components/rich_content/rich_content.jsx'
+
 import Timeago from 'components/timeago/timeago.vue'
 
 import genRandomSeed from '../../services/random_seed/random_seed.service.js'
@@ -12,7 +12,7 @@ export default {
   props: ['basePoll', 'emoji'],
   components: {
     Timeago,
-    RichContent,
+
     Checkbox,
   },
   data() {