* Create ItemSlotButton
* Refactor inventory buttons
Refactor so that KeyBind handling of inventory and hands are the same.
* Refactor InventoryInterfaceController to call ItemSlotManager with entities
This change allows HandsGUI and InventoryInterfaceController to just call ItemSlotManager.OnButtonPressed with an entity instead of a slot.
* Add CooldownCircle to ItemSlotButton
This allows Hands and Inventory to have cooldown circles on their ItemSlots.
* Refactor HandsGUI to use ItemSlots
This allows functionality and GUI to be the same between Inventory and Hands.
Added clicking empty hand to switch ActiveHand to clicked hand.
* Implement CooldownCircle in ItemSlotManager
Reorganize files
* Non-accessed local variable
* Merge cast and type checks.
* StringComparison.Ordinal added for better culture support
* Supposed code improvement in launcher. Remove unused code.
* Update ExplosionHelper.cs
Unintentional change.
* Optimized Import
* Add Robust.Shared.Utility import where it was deleted
* Other random suggestion
* Improve my comment
* Fixed HandsGui children so that HandsGui is clickable
* Added TextureButton for opening Storage items
* Update ClientInventoryComponent.cs
Fixed HandleComponentState so that it only updates the inventory when there are changes.
* Implemented storage button on Inventory
Adds a small button on the bottom right of Storage items when inside the inventory. When the button is pressed it opens the Storage UI.