* [Cleanup] Gender constants cleanup
# Notes
- Convert to a `Gender` namespace using `constexpr`.
- Cleanup spots where we were using magic numbers for gender values.
* Cleanup
* [Bug Fix] Fix Appearance Issues
# Notes
- Changing race, gender, or texture of a Mob could result in it changing sizes due to use not sending the size as part of the appearance packet.
- Also converts the parameterized method to a struct parameter so that we can optionally send things without back-filling multiple arguments.
* Gender cleanup.
* Fix.
* Formatting.
