IllusionFixes v1.9

Changelog

• Added SettingsVerifier for PlayHome (@Mantas-2155X)
• Added exception handling to Change***Async methods to NullChecks (fixes game crashes/lockups in some cases)
• Added ExpandShaderDropdown for AI and KK studio (expands dropdowns in System > Scene Effects menu, see the preview image)
• Restructured ExpandShaderDropdown project to be simpler and easier to maintain
• Added BepInIncompatibility for old CameraTargetFix to CameraTarget (@Keelhauled)
• Fixed Heterochromia Fix and MainGameOptimizations not working in KK Party