Fix key warnings

app/soapbox/features/follow_recommendations/components/follow_recommendations_list.tsx

@@ -31,8 +31,8 @@ const FollowRecommendationsList: React.FC = () => {
 
   return (
     <div className='column-list'>
-      {suggestions.size > 0 ? suggestions.map((suggestion: { account: string }) => (
-        <Account key={suggestion.account} id={suggestion.account} />
+      {suggestions.size > 0 ? suggestions.map((suggestion: { account: string }, idx: number) => (
+        <Account key={idx} id={suggestion.account} />
       )) : (
         <div className='column-list__empty-message'>
           <FormattedMessage id='empty_column.follow_recommendations' defaultMessage='Looks like no suggestions could be generated for you. You can try using search to look for people you might know or explore trending hashtags.' />

app/soapbox/features/ui/components/profile-dropdown.tsx

@@ -112,7 +112,7 @@ const ProfileDropdown: React.FC<IProfileDropdown> = ({ account, children }) => {
         {menu.map((menuItem, idx) => {
           if (menuItem.toggle) {
             return (
-              <div className='flex flex-row items-center justify-between px-4 py-1 text-sm text-gray-700 dark:text-gray-400'>
+              <div key={idx} className='flex flex-row items-center justify-between px-4 py-1 text-sm text-gray-700 dark:text-gray-400'>
                 <span>{menuItem.text}</span>
 
                 {menuItem.toggle}