✨ Allow the pivot points of display entities to be modified

[SnaveSutit]

🛑 Before you Start

• I have searched existing feature requests for my feature.
• I have read the documentation, and I am sure this feature is not already implemented.
• I am using the latest version of Animated Java.
• I will only request a single feature in this request. If I have multiple feature requests, I will create a separate request for each one.

📝 Description

Can't edit display entity pivot points.

💡 Describe the solution you'd like

Can edit display entity pivot points.

🧪 Describe alternatives you've considered

Not editing display entity pivot points.