NOISSUE add hack for system themes. Maybe it works?

application/themes/BrightTheme.cpp

@@ -10,6 +10,11 @@ QString BrightTheme::name()
 	return QObject::tr("Bright");
 }
 
+bool BrightTheme::hasColorScheme()
+{
+	return true;
+}
+
 QPalette BrightTheme::colorScheme()
 {
 	QPalette brightPalette;
@@ -39,6 +44,11 @@ QColor BrightTheme::fadeColor()
 	return QColor(239,240,241);
 }
 
+bool BrightTheme::hasStyleSheet()
+{
+	return false;
+}
+
 QString BrightTheme::appStyleSheet()
 {
 	return QString();