Verify JS_CHECK_RECURSION and JS_CHECK_STACK_SIZE on iOS

[enricogior]

The two macros are used to detect recursions, but they may be buggy on iOS.

https://github.com/thaliproject/jxcore/blob/master/deps/mozjs/src/jsfriendapi.h#L23-L27
https://github.com/thaliproject/jxcore/blob/master/deps/mozjs/src/jsfriendapi.h#L1000

Verify JS_STACK_GROWTH_DIRECTION and nativeStackLimit on iOS.

[enricogior]

This turned out to be more complex than expected.
The macros seems to be correct but they may be not work when the call stack mixes JS functions with native functions, but that is just a supposition.