pl-fe: never display header when empty

Signed-off-by: nicole mikołajczyk <git@mkljczk.pl>

packages/pl-fe/src/pages/account-lists/directory.tsx

@@ -61,12 +61,16 @@ const AccountCard: React.FC<IAccountCard> = ({ id }) => {
           <ActionButton account={account} small />
         </div>
 
-        <StillImage
-          src={account.header}
-          staticSrc={account.header_static}
-          alt={account.header_description}
-          className='h-32 w-full rounded-t-lg object-cover'
-        />
+        {account.header ? (
+          <StillImage
+            src={account.header}
+            staticSrc={account.header_static}
+            alt={account.header_description}
+            className='h-32 w-full rounded-t-lg object-cover'
+          />
+        ) : (
+          <div className='h-32 w-full rounded-t-lg bg-gray-200 dark:bg-gray-700' />
+        )}
 
         <Link to={`/@${account.acct}`} title={account.acct}>
           <HoverAccountWrapper key={account.id} accountId={account.id} element='span'>