Fix grayscale bug AGAIN

src/dbus/NhekoDBusApi.cpp

@@ -118,7 +118,7 @@ operator<<(QDBusArgument &arg, const QImage &image)
     arg << i.height();
     arg << i.bytesPerLine();
     arg << i.hasAlphaChannel();
-    int channels = i.isGrayscale() ? 1 : (i.hasAlphaChannel() ? 4 : 3);
+    int channels = i.hasAlphaChannel() ? 4 : 3;
     arg << i.depth() / channels;
     arg << channels;
     arg << QByteArray(reinterpret_cast<const char *>(i.bits()), i.sizeInBytes());