Make avatar in compose navbar hover-to-play

app/javascript/mastodon/features/compose/components/navigation_bar.js

@@ -15,7 +15,7 @@ export default class NavigationBar extends ImmutablePureComponent {
     return (
       <div className='navigation-bar'>
         <Permalink href={this.props.account.get('url')} to={`/accounts/${this.props.account.get('id')}`}>
-          <Avatar src={this.props.account.get('avatar')} animate size={40} />
+          <Avatar src={this.props.account.get('avatar')} staticSrc={this.props.account.get('avatar_static')} size={40} />
         </Permalink>
 
         <div className='navigation-bar__profile'>