fix(stable): wxUSE_NANOSVG=OFF gegen nsvg ODR/LNK2005 auf MSVC (wie 2.4)

deps/wxWidgets/wxWidgets.cmake

@@ -66,6 +66,9 @@ orcaslicer_add_cmake_project(
         -DwxUSE_LIBJPEG=sys
         -DwxUSE_LIBTIFF=OFF
         -DwxUSE_EXPAT=sys
+        # wx 3.3 bundles nanosvg; OrcaSlicer's BitmapCache also defines nsvg
+        # symbols -> ODR/LNK2005 on MSVC. Disable wx's copy (as in 2.4).
+        -DwxUSE_NANOSVG=OFF
 )
 
 # wxWidgets 3.3 cmake install doesn't include private headers.