[Glitch] Use JSX syntax for Fragments

Port 5a16bd7bf4 to glitch-soc

app/javascript/flavours/glitch/containers/media_container.jsx

@@ -1,4 +1,4 @@
-import { PureComponent, Fragment } from 'react';
+import { PureComponent } from 'react';
 import { createPortal } from 'react-dom';
 import PropTypes from 'prop-types';
 import { IntlProvider, addLocaleData } from 'react-intl';
@@ -75,7 +75,7 @@ export default class MediaContainer extends PureComponent {
 
     return (
       <IntlProvider locale={locale} messages={messages}>
-        <Fragment>
+        <>
           {[].map.call(components, (component, i) => {
             const componentName = component.getAttribute('data-component');
             const Component = MEDIA_COMPONENTS[componentName];
@@ -115,7 +115,7 @@ export default class MediaContainer extends PureComponent {
               />
             )}
           </ModalRoot>
-        </Fragment>
+        </>
       </IntlProvider>
     );
   }