Fetch relationships when opening report modal

Relationship with the reported account affect which actions are proposed in
the “thanks” part. Upstream fetches relationships when opening dropdown menus,
but we don't.

app/javascript/flavours/glitch/features/ui/components/report_modal.js

@@ -3,6 +3,7 @@ import { connect } from 'react-redux';
 import { submitReport } from 'flavours/glitch/actions/reports';
 import { expandAccountTimeline } from 'flavours/glitch/actions/timelines';
 import { fetchRules } from 'flavours/glitch/actions/rules';
+import { fetchRelationships } from 'flavours/glitch/actions/accounts';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import { makeGetAccount } from 'flavours/glitch/selectors';
@@ -116,6 +117,7 @@ class ReportModal extends ImmutablePureComponent {
   componentDidMount () {
     const { dispatch, accountId } = this.props;
 
+    dispatch(fetchRelationships([accountId]));
     dispatch(expandAccountTimeline(accountId, { withReplies: true }));
     dispatch(fetchRules());
   }