Xiaomi-protobuf: Keep notification IDs on reconnection (#6265)

Otherwise we stop being able to remove notifications.

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/services/XiaomiNotificationService.java

@@ -92,9 +92,7 @@ public class XiaomiNotificationService extends AbstractXiaomiService implements
 
     @Override
     public void initialize() {
-        mPackages.clear();
-        mNotificationPackageName.clear();
-        mNotificationKey.clear();
+        // We intentionally do not clear the queues, so that we don't lose track if the device briefly loses connection
 
         getSupport().sendCommand("get screen on on notifications", COMMAND_TYPE, CMD_SCREEN_ON_ON_NOTIFICATIONS_GET);
         requestCannedMessages();