Interface need rework (especialy the uncutgem/skill ones)

I think the interface for gems and skill need an important rework.

In PoE1 we have 3 different windows : the stash tab window, the inventory window and the merchant tab window.
The inventory one used for the setting of our skills can be always opened with the merchant or stash window, making them easy to use and chose what we need.

In PoE2 we have 4 windows : the stash one, the inventory one, the uncutgem one and the skill one. But we can't have them open in the same time except with the inventory one witch isn't useful except if we manually put some gems/uncut in it.
With this restriction it become laborious to navigate between windows to look for a support, an uncutgem or to change our skills without putting a lot of them in our inventory (more steps).
I have abandoned the use of controller partially because of that (and greatly hope than we will be able to use mouse/keyboard with controller)

The uncutgem windows can't be opened with any other windows too. I think it would be better if it is an extension of the skill window. If not possible, to be able to have it open alongside stash/skill or inventory windows.

The Skill windows need to be central too, to be able to open it with the stash/inventory. So we can choose what we want, without changing windows every time.
(or any other solution to have theme both open in the same time)


Another fact that is annoying (but not for gems only) is the fact that some windows close when you open another things and have to reopen them, here some example :
- uncutgem menu opened (from stash or inventory) when closed will not reopen previous window.
- inventory closed when we open passive skill tree (because I want to put some jewel in it)
- inventory closed if we open our stash, then go to our character or skill window (like takings gems from stash to inventory to use them in skill window, too many steps)
- inventory/stash (and other but not useful) closed when we open endgame map (it will be mush easier to put tablet/waystone if it stay open)
- ...
- ...


(I hope it's understandable, English is not my native language)