Build: Fix DiscordRPC not being included in Mac bundle

src/util/CMakeLists.txt

@@ -290,5 +290,10 @@ function(add_util_resources target)
     else()
       message(WARNING "MoltenVK not found in path, it will depend on the target system having it.")
     endif()
+
+    # Copy shaderc into the bundle
+    get_target_property(SPIRV_CROSS_LIBRARY spirv-cross-c-shared IMPORTED_LOCATION_RELEASE)
+    target_sources(duckstation-qt PRIVATE "${SHADERC_LIBRARY}" "${SPIRV_CROSS_LIBRARY}")
+    set_source_files_properties("${SHADERC_LIBRARY}" "${SPIRV_CROSS_LIBRARY}" PROPERTIES MACOSX_PACKAGE_LOCATION Frameworks)
   endif()
 endfunction()