Redesign and implement the Developer service

[AlmasB]

• [ ] performance (Poor dev pane performance when game world has many entities)
• [ ] DevService / DevPane need further redesign
• [ ] allow devs to add their own controls
• [ ] dev pane should allow modification of observable properties from Entity components
• [ ] debug(message) <- allow adding duration, also check UE4 "Print String" inputs for other configuration
• [ ] Box3D does not have a debug bbox