[Bug] Transform.rotation use `Vector4` instead of `Quaternion`

[MrScautHD]

Before submitting a new issue, please verify and check:

• The issue is specific to Raylib-cs and not raylib
• I checked there is no similar issue already reported
• My code has no errors or misuse of Raylib-cs

Issue description

Hello, I worked on my Camera rotation and saw the Transform.rotation use Vector4 instead of Quaternion.
It should get changed to it becuase Methods like Raymath.QuaternionToEuler use Quaternion.

I hope i could help! :)

Environment

• Raylib-cs [4.5.0.1]

Issue screenshot

[Chris Dill]

#158 merged. Thanks for the fix!