Translate UI text to Polish: update headings and messages in MovieList, Navbar, and Search components for improved localization.

src/app/(withGlobalData)/page.tsx

@@ -3,15 +3,19 @@ import { MovieList } from "@/components/molecules/MovieList";
 export default async function Home() {
   return (
     <>
-      <MovieList heading="Upcoming" filterUpcoming={1} sortDirection="desc" />
       <MovieList
-        heading="My Watchlist"
+        heading="Nadchodzące"
+        filterUpcoming={1}
+        sortDirection="desc"
+      />
+      <MovieList
+        heading="Do obejrzenia"
         filterReleased={1}
         filterSeen={0}
         filterFavorites={0}
       />
-      <MovieList heading="Seen" filterSeen={1} />
-      <MovieList heading="Favorites" filterFavorites={1} />
+      <MovieList heading="Obejrzane" filterSeen={1} />
+      <MovieList heading="Ulubione" filterFavorites={1} />
     </>
   );
 }