[Linux] Update maximization and fullscreen flags
[Linux] Update maximization and fullscreen flags

Without this change, the window can't be max'ed correctly as the
_NET_WM_STATE will be reset by OS_Update_Window

rgchris/ren-c,codebybrett/ren-c,draegtun/ren-c,mbk/ren-c,codebybrett/ren-c,kealist/ren-c,hostilefork/rebol,draegtun/ren-c,giuliolunati/ren-c,giuliolunati/ren-c,draegtun/ren-c,kealist/ren-c,rgchris/ren-c,rgchris/ren-c,hostilefork/rebol,hostilefork/rebol,codebybrett/ren-c,giuliolunati/ren-c,mbk/ren-c,rgchris/ren-c,hostilefork/rebol,draegtun/ren-c,kealist/ren-c,kealist/ren-c,codebybrett/ren-c,giuliolunati/ren-c,codebybrett/ren-c,hostilefork/rebol,draegtun/ren-c,mbk/ren-c,hostilefork/rebol,draegtun/ren-c,kealist/ren-c,giuliolunati/ren-c,mbk/ren-c,rgchris/ren-c,codebybrett/ren-c,kealist/ren-c