Fix install icon; Add application entry in start menu.

CMakeLists.txt

@@ -1276,17 +1276,20 @@ endif()
 
 # Packaging: CPACK_* settings should be configured before `include(CPack)`
 include(InstallRequiredSystemLibraries)
-set(CPACK_PACKAGE_NAME OpenSCAD)
+set(CPACK_PACKAGE_NAME "OpenSCAD")
 set(CPACK_PACKAGE_VENDOR "The OpenSCAD Developers")
-set(CPACK_PACKAGE_VERSION ${OPENSCAD_VERSION})
+set(CPACK_PACKAGE_VERSION "${OPENSCAD_VERSION}")
 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "The Programmer's Solid 3D CAD Modeler")
-set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "${CPACK_PACKAGE_NAME}${SUFFIX_WITH_DASH}")
 set(CPACK_NSIS_URL_INFO_ABOUT "https://openscad.org/")
 set(CPACK_NSIS_HELP_LINK "https://openscad.org/community.html")
 
 if(MXECROSS)
   set(CPACK_GENERATOR ZIP;NSIS)
   set(CPACK_SYSTEM_NAME ${PACKAGE_ARCH})
+  set(CPACK_NSIS_INSTALLED_ICON_NAME "openscad.exe")
+  set(CPACK_PACKAGE_EXECUTABLES "openscad.exe;OpenSCAD${SNAPSHOT_SUFFIX}")
+  set(CPACK_PACKAGE_INSTALL_DIRECTORY "${CPACK_PACKAGE_NAME}${SNAPSHOT_SUFFIX}")
+  set(CPACK_PACKAGE_INSTALL_REGISTRY_KEY "${CPACK_PACKAGE_NAME}${SNAPSHOT_SUFFIX}")
   if("${CMAKE_VERSION}" VERSION_GREATER_EQUAL "3.22")
     set(CPACK_NSIS_IGNORE_LICENSE_PAGE ON)
   else()