[Glitch] Add setting to disable hover cards

Port ad52b04a1c to glitch-soc

Co-authored-by: Eugen Rochko <eugen@zeonfederated.com>

app/javascript/flavours/glitch/components/status_header.jsx

@@ -51,6 +51,7 @@ export default class StatusHeader extends PureComponent {
         target='_blank'
         onClick={this.handleAccountClick}
         rel='noopener noreferrer'
+        title={status.getIn(['account', 'acct'])}
         data-hover-card-account={status.getIn(['account', 'id'])}
       >
         <div className='status__avatar'>