Not resetting player vaults even if permissions are removed

[lw9244]

Idea

Tell us what you want!
Currently, the player vaults are wiped for slots that players don't have permission for if they lose the permission / regain it and open it. I'm just looking for the inventory to be persistent.

Details

Give some more information so we can get an idea.
Player vault items should persist whether or not player has permission to them or not so if they regain permission for slots, they still retain the items.

[drtshock]

This is why you shouldn't lower the slots. I can implement something like this, it's just going to be a pretty big change since I'll have to store things as slots rather than just an inventory.

[triesharder]

This was also requested on #388.

I was looking issues before asking for somethig similar, would be easier to make the items be dropped in situations like that?