i think it would be useful to be able to use quality flooring not only with hands from inventory
but as ghost entities too
ghost tiles will have quality tag next to them but when placed become normal floor
that would be very useful to space platforms as you cant place quality platfroms manually

there was links about what you describe here specifically : https://forums.factorio.com/viewtopic.php?f=7&t=117849

I'm sorry you are right
tho i want to suggest the possible solving idea
as platform foundations can be used in craft it would be bad if they were used as normal foundations ...

What did you do?
tried to place quality 2 space platform foundation by pressing q on it in inventory

What happened?
it changed to no quality space platform foundation and didnt placed it

What did you expect to happen instead? It might be obvious to you, but do it anyway!
i was expecting it ...

its not using tier 2 to place platform to place as normal platforms

copying it with q doesnt change things as it tries to place tier 1 don't mind the neco arc

ah yeah finally