fix: PolyZone has vec2 centre, not vec3. Correct for distance check.

[citRaTTV]

Describe Pull request PolyZones have a vector2 centre, not a vector3. Fix distance calculation for PolyZones when Config.DrawSprite is true.

Questions (please complete the following information):

• Have you personally loaded this code into an updated qbcore project and checked all it's functionality? yes
• Does your code fit the style guidelines? yes
• Does your PR fit the contribution guidelines? yes