Extra Origins

• fix crash on servers

• fix https://github.com/MoriyaShiine/extra-origins/issues/229
• fix mob neutrality power not respecting self conditions

• add nucleon origin
• mob neutrality power now prevents mobs from fleeing
• code cleanup

• merge https://github.com/MoriyaShiine/extra-origins/pull/225

-fix https://github.com/MoriyaShiine/extra-origins/issues/227

-fix https://github.com/MoriyaShiine/extra-origins/issues/228