Check by comparing __argc/__argv whether a modified argv was
passed to QCoreApplication. If that is the case, build
QCoreApplication::arguments() from that argv instead of using
the command line.
[ChangeLog][Important Behavior Changes][QCoreApplication]
On Windows, QCoreApplication::arguments() now returns a list built
from argv on Windows as well if a modified argv was passed to the
class' constructor.
Task-number: QTBUG-30330
Task-number: QTSOLBUG-184
Change-Id: I2498bb554130e7bfaeada3aebe786dfdd0eb534d
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>