[Glitch] Rename JSX files with proper .jsx extension

Port 44a7d87cb1 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

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

@@ -0,0 +1,37 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { autoPlayGif } from 'flavours/glitch/initial_state';
+
+export default class AvatarOverlay extends React.PureComponent {
+
+  static propTypes = {
+    account: ImmutablePropTypes.map.isRequired,
+    friend: ImmutablePropTypes.map.isRequired,
+    animate: PropTypes.bool,
+  };
+
+  static defaultProps = {
+    animate: autoPlayGif,
+  };
+
+  render() {
+    const { account, friend, animate } = this.props;
+
+    const baseStyle = {
+      backgroundImage: `url(${account.get(animate ? 'avatar' : 'avatar_static')})`,
+    };
+
+    const overlayStyle = {
+      backgroundImage: `url(${friend.get(animate ? 'avatar' : 'avatar_static')})`,
+    };
+
+    return (
+      <div className='account__avatar-overlay'>
+        <div className='account__avatar-overlay-base' style={baseStyle} data-avatar-of={`@${account.get('acct')}`} />
+        <div className='account__avatar-overlay-overlay' style={overlayStyle} data-avatar-of={`@${friend.get('acct')}`} />
+      </div>
+    );
+  }
+
+}