Save and display room avatars

src/components/views/avatars/BaseAvatar.tsx

@@ -44,7 +44,7 @@ interface IProps {
     className?: string;
 }
 
-const calculateUrls = (url, urls) => {
+const calculateUrls = (url: string, urls: string[]) => {
     // work out the full set of urls to try to load. This is formed like so:
     // imageUrls: [ props.url, ...props.urls ]
 

src/components/views/avatars/DecoratedRoomAvatar.tsx

@@ -201,8 +201,8 @@ export default class DecoratedRoomAvatar extends React.PureComponent<IProps, ISt
                 oobData={this.props.oobData}
                 viewAvatarOnClick={this.props.viewAvatarOnClick}
             />
-            {icon}
-            {badge}
+            { icon }
+            { badge }
         </div>;
     }
 }