Make easier way to scroll around scene

Existing feature/capability to improve

Currently you use the middle mouse button to scroll around the scene, but for people on laptops with no mouses it makes it harder.

Testing requirements

(Any special hardware needed for the development and testing of this enhancement?)

Define success

Add another way to scroll around the scene besides middle mouse button.

Links/references

Acceptance criteria

• Add an alternative way to scroll around the scene that works for laptops with track pads