nk_edit_* and nk_property_* both get cursor focus when used next to each other

[sleeptightAnsiC]

This was originally mentioned at the very bottom of #900 (comment), I've speculated that not using # for nk_property prevents it from hashing correctly (#900 (comment)) but I already tried it in ff2ff04 and the problem is still there. This is a bug withing library and there is one specific place in demo/common/overview.c that can reproduce it:

[sleeptightAnsiC]

This reeks of regression... Looks like #898 changed some of the code that could be related.

TODO: try git-revert on commits that touched src/nuklear_edit.c and src/nuklear_property.c not so long ago.