feat(dui): implement texture slot management for Dui instances

[CeebDev]

Since we can't release a texture dict, we have to create 1 with textures slots that can be reused.

With this, we can create / remove dui infinitly without to increment TxdStore pool.

Each time we create a new instance, it will take the first available slot in the dict and set new width / new height and new url.

This is a important fix because for people that create / remove dui frequently, it fill the TxdStore pool very fast

[CeebDev]

Need to be tested on Lua and TS, i dont have a server available with ox_lib to do this right now