[import] Little-endian UTF-16 Unicode text not properly parsed

The file Export___Downloads___January_31__2021___March_27__2023.csv cannot be imported since UTF16 is not properly recognized:

int AsciiFilterPrivate::prepareDeviceToRead(QIODevice&, size_t), first line (header) = "ÿþD"
int AsciiFilterPrivate::prepareDeviceToRead(QIODevice&, size_t) , first line =  "ÿþD"
int AsciiFilterPrivate::prepareDeviceToRead(QIODevice&, size_t), using GIVEN separator: ,
int AsciiFilterPrivate::prepareDeviceToRead(QIODevice&, size_t) , separator: ' "," '
int AsciiFilterPrivate::prepareDeviceToRead(QIODevice&, size_t), number of columns: 1
int AsciiFilterPrivate::prepareDeviceToRead(QIODevice&, size_t) , first line split:  ("ÿþD")
int AsciiFilterPrivate::prepareDeviceToRead(QIODevice&, size_t) , COLUMN NAMES:  ("ÿþD")
int AsciiFilterPrivate::prepareDeviceToRead(QIODevice&, size_t) , ALL COLUMN NAMES:  ("ÿþD")
int AsciiFilterPrivate::prepareDeviceToRead(QIODevice&, size_t), Skipping 1 line(s)
int AsciiFilterPrivate::prepareDeviceToRead(QIODevice&, size_t), skipping line: ÿþD
int AsciiFilterPrivate::prepareDeviceToRead(QIODevice&, size_t), Actual first line: ''