feat: user delete modal shows username and requires confirmation (#2779)

The delete user modal will now show the user that is being deleted and the delete button will now
ask you to confirm deletion similar to the delete request button.

src/components/UserList/index.tsx

@@ -49,7 +49,7 @@ const messages = defineMessages({
   owner: 'Owner',
   admin: 'Admin',
   plexuser: 'Plex User',
-  deleteuser: 'Delete User',
+  deleteuser: 'Delete {username}',
   userdeleted: 'User deleted successfully!',
   userdeleteerror: 'Something went wrong while deleting the user.',
   deleteconfirm:
@@ -246,7 +246,9 @@ const UserList = () => {
           okDisabled={isDeleting}
           okButtonType="danger"
           onCancel={() => setDeleteModal({ isOpen: false })}
-          title={intl.formatMessage(messages.deleteuser)}
+          title={intl.formatMessage(messages.deleteuser, {
+            username: `${deleteModal.user?.username}`,
+          })}
           iconSvg={<TrashIcon />}
         >
           {intl.formatMessage(messages.deleteconfirm)}