Gizmos don't undo/redo properly on gizmo component removal

[Exairnous]

Description
If you undo removing a gizmo component, the gizmo doesn't reappear.
If you undo adding a gizmo component and then redo, the gizmo doesn't reappear

To Reproduce
Steps to reproduce the behavior:

• Add an object.
• Add a Waypoint component to the object.
• Remove the Waypoint component from the object.
• Undo.
• Delete the object.
• Add another object.
• Add a Waypoint component to the object.
• Undo.
• Redo.

Expected behavior
The gizmo should be present on the object if the component is.

[keianhzo]

Closed by #90