Interaction clean up (#4091)

* Rename and clean up interaction events

* Fix hand equip events

* Refactor duplicate client input validation

* Rename Use handler

* Move unneeded InRangeUnobstructed methods to extensions only

* Clean up UseInteractions

* Clean up ActivateItemInWorld

* Replace explicit range check with InRangeUnobstructed

Remove TransformComponent check, since transform is guaranteed now.

* Revert transform check removal

* More cleanup

* Reorder interaction checks

* Rename attack eventargs to interact

* Test V1

* Add interaction test

* Fix interaction test

* Fix container interaction test

* Rename interaction methods

* Rename player to user and attacked to target

* Clean up InteractAfter

* Clean up InRangeUnobstructed usages

* Rename attack to interact and weapon to used

* Changed can't reach message to only play when holding something

Cleaned up bracket formatting

* Fix Airtight validation check

* Remove extra words in comments

* Fix FaceClick rotation

* Move duplicate map check and face to method

* Fix test

Content.Server/GameObjects/Components/GUI/InventoryComponent.cs

@@ -539,7 +539,7 @@ namespace Content.Server.GameObjects.Components.GUI
                     {
                         if (activeHand != null)
                         {
-                            await interactionSystem.Interaction(Owner, activeHand.Owner, itemContainedInSlot.Owner,
+                            await interactionSystem.InteractUsing(Owner, activeHand.Owner, itemContainedInSlot.Owner,
                                 new EntityCoordinates());
                         }
                         else if (Unequip(msg.Inventoryslot))