Conform to new react and typescript eslint rules

src/utils/AutoDiscoveryUtils.tsx

@@ -90,7 +90,7 @@ export default class AutoDiscoveryUtils {
                             href="https://github.com/vector-im/element-web/blob/master/docs/config.md"
                             target="_blank"
                             rel="noreferrer noopener"
-                        >{sub}</a>;
+                        >{ sub }</a>;
                     },
                 },
             );
@@ -130,8 +130,8 @@ export default class AutoDiscoveryUtils {
             serverErrorIsFatal: isFatalError,
             serverDeadError: (
                 <div>
-                    <strong>{title}</strong>
-                    <div>{body}</div>
+                    <strong>{ title }</strong>
+                    <div>{ body }</div>
                 </div>
             ),
         };

src/utils/ErrorUtils.tsx

@@ -44,7 +44,7 @@ export function messageForResourceLimitError(
 
     const linkSub = sub => {
         if (adminContact) {
-            return <a href={adminContact} target="_blank" rel="noreferrer noopener">{sub}</a>;
+            return <a href={adminContact} target="_blank" rel="noreferrer noopener">{ sub }</a>;
         } else {
             return sub;
         }
@@ -76,12 +76,12 @@ export function messageForSyncError(err: MatrixError | Error): ReactNode {
             },
         );
         return <div>
-            <div>{limitError}</div>
-            <div>{adminContact}</div>
+            <div>{ limitError }</div>
+            <div>{ adminContact }</div>
         </div>;
     } else {
         return <div>
-            {_t("Unable to connect to Homeserver. Retrying...")}
+            { _t("Unable to connect to Homeserver. Retrying...") }
         </div>;
     }
 }