General Bug-fixing

• Lua UIMenu: fixed old method for newest check in Draw function (~0.10 ms less in execution time)
• Lua UIMenuItem: fix update description
• Lua UIMenu Fix InstructionalButtons crash on close (this should fix the attempt to call a boolean value (method 'Enabled') error)
• C# UIMenu: hide weapon wheel on menu opened
• C#: added charimg in pause menu example
• Lua example don't hide ped mugshot in pause menu
• Lua example: fix detailsWindow wheel colors