lua-bindings requires optional extensions

[Xrysnow]

lua-bindings requires many optional extensions such as cocostudio, this prevents me from disabling some of them. I think it's better to add the AX_ENABLE_EXT_ conditions to cmake. https://github.com/axmolengine/axmol/blob/6427e6e53cbe8b75829f96887a23ca501632c062/extensions/scripting/lua-bindings/CMakeLists.txt#L81-L95

[halx99]

Could you post a merge request, and the extensions condtion of axmol should be AX_ENABLE_EXT_

[iAndyHD3]

this just happened to me, where i wanted to disable extensions but since i was using lua i could not

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.