Disable wxWidgets bundled NanoSVG to avoid duplicate symbols

wxWidgets 3.3 bundles its own NanoSVG in bmpsvg.cpp, conflicting with
OrcaSlicer's bundled copy which includes the nsvgRasterizeXY extension.
Set wxUSE_NANOSVG=OFF in deps cmake to use OrcaSlicer's version only.

deps/wxWidgets/wxWidgets.cmake

@@ -53,6 +53,7 @@ orcaslicer_add_cmake_project(
         -DwxUSE_LIBJPEG=sys
         -DwxUSE_LIBTIFF=OFF
         -DwxUSE_EXPAT=sys
+        -DwxUSE_NANOSVG=OFF
 )
 
 if (MSVC)