File sonic-visualiser-svgui-qt6-fix.patch of Package sonic-visualiser

--- sonic-visualiser-5.2.1/svgui/view/Pane.cpp.orig	2025-12-25 22:35:01.218862220 -0800
+++ sonic-visualiser-5.2.1/svgui/view/Pane.cpp	2025-12-25 22:35:12.332034644 -0800
@@ -1423,7 +1423,7 @@
     if (m & Qt::GroupSwitchModifier) s << "GroupSwitch";
     m &= (~ (Qt::ShiftModifier | Qt::ControlModifier | Qt::AltModifier |
              Qt::MetaModifier | Qt::KeypadModifier | Qt::GroupSwitchModifier));
-    if (m) s << QString(" (residue %1)").arg(m);
+    if (m) s << QString(" (residue %1)").arg(static_cast<int>(m));
     if (s.empty()) return "(none)";
     else return s.join(" | ");
 }