Add additional filtering options for the older Qt versions in Online installer/maintenancetool

When installing an older Qt version, one must filter with "Archive" option. The size of the archive is however currently so huge that the installer seems to be stuck on displaying:
"100% Extracting meta information..."

It can take anything from 5 to 20 minutes to get access to the older versions of Qt which is not good from the user experience point of view.

Suggestions:
-Add a separate filtering option at least for the older still supported versions of Qt for faster access.
-Display some progress which would indicate that something is still happening behind the curtains or display information that using 'Archive' filtering option can take up to 20 minutes (or longer in the future)
-Fragmenting the archive, so that filtering could be done in smaller pieces by dividing the archive to smaller pieces, for example:
have a separate filtering option for legacy Qt versions, supported Qt versions and a separate one for Qt 6 versions including the older Qt 6 versions (Does not have to be just like this)