HideInEditor becomes Hide
Component.Destroy should always work in the editor
Hide components with ComponentFlags.Hidden, re-use ComponentSheet if possible
When calling a CallbackBatch, create a new CallbackBatch to catch callbacks inside
Init SkinnedModelRenderer to bind pose in editor
Set so transform on model create
Serialize component references as an object (for future usage)
Fix NRE when copying component to clipboard
Move BodyGroups, MaterialGroup control widgets out of engine until they don't look like shit
Add ShowIf to Model.BodyGroups + MaterialGroup
ComponentSheet obeys + watches ShowIf
Fix component sheet not having 4px space before groups
Update default QComboBox colors