Windows: QStandardPaths does not return correct paths if path contains non-ascii characters

("/qtbug-example")

("C:/users/gröp☻/AppData/Local/qtbug-example")

#1 U+0048 'H' category=Letter_Uppercase script=Script_Latin(3) direction=DirL joiningType=Joining_None decomposition=NoDecomposition version=Unicode_1_1
#2 U+040E 'Ў' script=Script_Cyrillic(5) decomposition=Canonical
#3 U+03C5 'υ' category=Letter_Lowercase script=Script_Greek(4) decomposition=NoDecomposition
#4 U+03C6 'φ'

t += QChar(0x48);
t += QChar(0x40e);
t += QChar(0x3c5);
t += QChar(0x3c6);