Compiler warning cleanup (#22997)

* Part: Remove unused arguments from isLinearEdge

* Gui: For Qt 6.5 and later, use ParseOptions in xml

* Gui: Remove unused variable from fuzzyMatch()

* Sketcher: Remove unused parameter from *ReferenceSelection

* PD: Remove unused parameter from *ReferenceSelection

* Part: Rename layout to avoid conflict

* FEM: remove unused variable from handlePropertyChange

* CAM: Eliminate C++11 compiler warning by explicitly defaulting copy

src/Mod/CAM/libarea/clipper.cpp

@@ -302,6 +302,8 @@ public:
         , hi(_hi)
     {}
 
+    Int128& operator=(const Int128&) = default;
+
     Int128& operator=(const long64& val)
     {
         lo = (ulong64)val;