NOISSUE add hack for system themes. Maybe it works?

application/themes/CustomTheme.cpp

@@ -208,11 +208,21 @@ QString CustomTheme::name()
 	return m_name;
 }
 
+bool CustomTheme::hasColorScheme()
+{
+	return true;
+}
+
 QPalette CustomTheme::colorScheme()
 {
 	return m_palette;
 }
 
+bool CustomTheme::hasStyleSheet()
+{
+	return true;
+}
+
 QString CustomTheme::appStyleSheet()
 {
 	return m_styleSheet;