fix: resolve release build compile errors

- Add missing messageTopic parameter to GetChatMessageCount, lost
  during the earlier rebase/squash
- Import GlobalScope and launch properly in ArtistImageRepository,
  with the required DelicateCoroutinesApi opt-in

Author: Amonoman

app/src/main/java/com/theveloper/pixelplay/data/repository/ArtistImageRepository.kt

@@ -15,6 +15,8 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.async
 import kotlinx.coroutines.awaitAll
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlinx.coroutines.withContext
@@ -284,7 +286,8 @@ class ArtistImageRepository @Inject constructor(
         memoryCache.evictAll()
         failedFetches.clear()
         // Also clear persisted no-image sentinels so the next prefetch retries all artists.
-        kotlinx.coroutines.GlobalScope.launch(Dispatchers.IO) {
+        @OptIn(kotlinx.coroutines.DelicateCoroutinesApi::class)
+        GlobalScope.launch(Dispatchers.IO) {
             try { musicDao.clearArtistNoImageSentinels() } catch (e: Exception) { /* best-effort */ }
         }
     }

app/src/main/java/com/theveloper/pixelplay/data/telegram/TelegramRepository.kt

@@ -389,7 +389,7 @@ class TelegramRepository @Inject constructor(
     suspend fun getApproxAudioMessageCount(chatId: Long): Int {
         return try {
             val result = clientManager.sendRequest<TdApi.Count>(
-                TdApi.GetChatMessageCount(chatId, TdApi.SearchMessagesFilterAudio(), false)
+                TdApi.GetChatMessageCount(chatId, null, TdApi.SearchMessagesFilterAudio(), false)
             )
             extractApproxCount(result)
         } catch (e: Exception) {