CMake: Fix XCode CMake config file. (#5787)

As mentionned in libsdl-org/SDL_net#48 and libsdl-org/SDL_ttf#213:
- Options needs to use `SHELL:` to avoid aggressive option de-duplication
- Framework path needs to be quoted to support paths with spaces.

Xcode/SDL/pkg-support/resources/CMake/sdl2-config.cmake

@@ -52,9 +52,9 @@ if(NOT TARGET SDL2::SDL2)
     add_library(SDL2::SDL2 INTERFACE IMPORTED)
     set_target_properties(SDL2::SDL2
         PROPERTIES
-            INTERFACE_COMPILE_OPTIONS "-F;${SDL2_FRAMEWORK_PARENT_PATH}"
+            INTERFACE_COMPILE_OPTIONS "SHELL:-F \"${SDL2_FRAMEWORK_PARENT_PATH}\""
             INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}"
-            INTERFACE_LINK_OPTIONS "-F;${SDL2_FRAMEWORK_PARENT_PATH};-framework;SDL2"
+            INTERFACE_LINK_OPTIONS "SHELL:-F \"${SDL2_FRAMEWORK_PARENT_PATH}\";SHELL:-framework SDL2"
             COMPATIBLE_INTERFACE_BOOL "SDL2_SHARED"
             INTERFACE_SDL2_SHARED "ON"
     )