fix(installer): enable showing NSIS path options page

Author: craftablescience

src/installer/_installer.cmake

@@ -135,13 +135,14 @@ if(WIN32)
     endif()
     set(CPACK_NSIS_EXECUTABLES_DIRECTORY ".")
     set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL ON)
+    set(CPACK_NSIS_MODIFY_PATH ON)
     set(CPACK_NSIS_DISPLAY_NAME ${PROJECT_NAME_PRETTY})
     set(CPACK_NSIS_PACKAGE_NAME ${PROJECT_NAME_PRETTY})
     set(CPACK_NSIS_MUI_ICON "${CMAKE_CURRENT_LIST_DIR}/../shared/res/logo.ico")
     set(CPACK_NSIS_INSTALLED_ICON_NAME "${PROJECT_NAME}.exe")
     set(CPACK_NSIS_URL_INFO_ABOUT "${CMAKE_PROJECT_HOMEPAGE_URL}")
     set(CPACK_NSIS_MANIFEST_DPI_AWARE ON)
-    file(READ "${CMAKE_CURRENT_LIST_DIR}/win/generated/InstallCommands.nsh" CPACK_NSIS_EXTRA_INSTALL_COMMANDS)
+    file(READ "${CMAKE_CURRENT_LIST_DIR}/win/generated/InstallCommands.nsh"   CPACK_NSIS_EXTRA_INSTALL_COMMANDS)
     file(READ "${CMAKE_CURRENT_LIST_DIR}/win/generated/UninstallCommands.nsh" CPACK_NSIS_EXTRA_UNINSTALL_COMMANDS)
 else()
     if(NOT (CPACK_GENERATOR STREQUAL "DEB"))