Feature: Shadow The Hedgehog Camera Editor Support

[dreamsyntax]

Full featured Shadow _cam.dat file editor. Every byte is editable.

• New form : ShadowCameraEditor
• ShadowCamera class with most details defined. Many of the remaining unknowns are always 0 in original cam files.
• CameraMode enum (including unused types) full 1:1 mapping (func identifier @ [8000e934 || r3 + 0xA8] :: ShadowTH GameCube US version)
• 1:1 read/write, support for any number of cameras in-game
• Currently all triggers are represented by cubes- it is possible one of the unknown bytes controls shape. This MR does not include shapes yet.
• Toolbar: New, Open, Save, Save As, Sort by Distance, Sort by CameraNumber
• CameraTrigger, LookAt/LookFrom PointA, and LookAt/LookFrom PointB are drawn

Preview:

Unrelated changes:

• Shadow Ring class RotY flipped - some code commented out
• Removed unused import in CameraHeroes