Wrong documentation generated for some QDate(Time) methods

A few recent patches added functions to QDate and QDateTime, but the documentation that qdoc generates is wrong.

This patch https://codereview.qt-project.org/c/qt/qtbase/+/404056 adds a few constructors to QDate. The documentation says

    \fn QDate::QDate(std::chrono::year_month_day ymd)

but the generated docs https://doc-snapshots.qt.io/qt6-dev/qdate.html#QDate-4 say

[since 6.4]
template <typename> QDate::QDate(int ymd)

I suspect the template part is picked up by expanding QT_POST_CXX17_API_IN_EXPORTED_CLASS, which however should be ignored by qdoc? See https://codereview.qt-project.org/c/qt/qtbase/+/404961

But anyways, where does that int argument come from?

The same applies to many other methods, for instance

https://doc-snapshots.qt.io/qt6-dev/qdate.html#fromStdSysDays
https://doc-snapshots.qt.io/qt6-dev/qdatetime.html#fromStdLocalTime
https://doc-snapshots.qt.io/qt6-dev/qdatetime.html#fromStdTimePoint-1
https://doc-snapshots.qt.io/qt6-dev/qdatetime.html#fromStdZonedTime
https://doc-snapshots.qt.io/qt6-dev/qdatetime.html#toStdSysMilliseconds

and so on.