feat: Implement FCM token handling and dialog cache management; enhance user experience and performance

app/src/main/java/com/rosetta/messenger/push/RosettaFirebaseMessagingService.kt

@@ -51,32 +51,8 @@ class RosettaFirebaseMessagingService : FirebaseMessagingService() {
         // Сохраняем токен локально
         saveFcmToken(token)
         
-        // TODO: Отправляем токен на сервер если аккаунт уже залогинен
-        /*
-        serviceScope.launch {
-            try {
-                val accountManager = AccountManager(applicationContext)
-                val currentAccount = accountManager.getCurrentAccount()
-                
-                if (currentAccount != null) {
-                    Log.d(TAG, "📤 Sending FCM token to server for account: ${currentAccount.publicKey.take(10)}...")
-                    
-                    // Отправляем через протокол
-                    val packet = PacketPushToken().apply {
-                        this.privateKey = CryptoManager.generatePrivateKeyHash(currentAccount.privateKey)
-                        this.publicKey = currentAccount.publicKey
-                        this.pushToken = token
-                        this.platform = "android"
-                    }
-                    
-                    ProtocolManager.send(packet)
-                    Log.d(TAG, "✅ FCM token sent to server")
-                }
-            } catch (e: Exception) {
-                Log.e(TAG, "❌ Error sending FCM token to server", e)
-            }
-        }
-        */
+        // 📤 Токен будет отправлен на сервер после успешного логина в MainActivity
+        Log.d(TAG, "💾 FCM token saved. Will be sent to server after login.")
     }
     
     /**