fix: Unable to Change CharacterComponent's collider shape properties without causing crash

[dloe]

PR Details

Assigning a new ColliderShape into CharacterComponent and running ComposeShape() causes a UAF related exception to be thrown. Related to an issue with the KinematicCharacter reference inside of the discreteDynamicWorld in the Simulation object.

Solution would be to add additional setup to a overridden ComposeShape() method inside CharacterComponent. This setup would include the complete removal, reconstruction and reintegration of the KinematicCharacterController to the Simulation. Also added an additional function to try and maintain various physics properties onto the KinematicCharacter such as Gravity, Fallspeed, etc.

Related Issue

#2005

Types of changes

• Docs change / refactoring / dependency upgrade
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My change requires a change to the documentation.
• I have added tests to cover my changes.
• All new and existing tests passed.
• I have built and run the editor to try this change out.

[Eideren]

Looks pretty good, just a small question

[Eideren]

Thanks !