Conform to new react and typescript eslint rules

src/toasts/ServerLimitToast.tsx

@@ -37,7 +37,7 @@ export const showToast = (limitType: string, onHideToast: () => void, adminConta
         key: TOAST_KEY,
         title: _t("Warning"),
         props: {
-            description: <React.Fragment>{errorText} {contactText}</React.Fragment>,
+            description: <React.Fragment>{ errorText } { contactText }</React.Fragment>,
             acceptLabel: _t("Ok"),
             onAccept: () => {
                 hideToast();

src/toasts/UpdateToast.tsx

@@ -51,7 +51,7 @@ export const showToast = (version: string, newVersion: string, releaseNotes?: st
         onAccept = () => {
             Modal.createTrackedDialog('Display release notes', '', QuestionDialog, {
                 title: _t("What's New"),
-                description: <pre>{releaseNotes}</pre>,
+                description: <pre>{ releaseNotes }</pre>,
                 button: _t("Update"),
                 onFinished: (update) => {
                     if (update && PlatformPeg.get()) {