message: Add analytics for placing a sticker
diff: import Vue from 'vue';
  import { Component, Emit, Prop } from 'vue-property-decorator';
  import { propOptional, propRequired } from '../../../../../utils/vue';
  +import { Analytics } from '../../../../../_common/analytics/analytics.service';
  import { AppAuthRequired } from '../../../../../_common/auth/auth-required-directive';
  import { CommentModal } from '../../../../../_common/comment/modal/modal.service';
  import AppCommentVideoLikeWidget from '../../../../../_common/comment/video/like-widget/like-widget.vue';
  @@ -178,6 +179,7 @@ export default class AppEventItemControlsFiresidePost extends Vue {
  if (post) {
  Object.assign(this.post, post);
  this.emitStickersVisibilityChange(true);
  + Analytics.trackEvent('stickers', 'place-sticker', 'fireside-post');
  }
  }
  }
  