Fix the a error in the `ccmap_string_key_to_luaval` functions
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_retain
Merge pull request #7548 from yongkangchen/v3

fix Label::setTextColor did not have any effect.
[ci skip]
[ci skip]
Merge pull request #7586 from samuele3hu/v3_retain

Fix the a error in the `ccmap_string_key_to_luaval` function