Release 2.8.3 - Tweaks and Multi-Commander Fix

This update brings a number of Horizons criteria changes, pulled largely from the in-game codex. This should help pare down the possible variants for brain trees and sinuous tubers. There is also a critical fix for multi-commander support.

Bio Requirements

• Consolidated the generic 'life' and 'life_plus' requirements to a 'bodies' requirement which should add some clarity to the requirement
• Updated some temperature ranges and volcanism for different brain trees
• Fixes for body type and volcanism requirements for various tubers
• Added A, MS, and S star types to the crystalline shard star check and increased the ls distance to 12,000
• Nebula checks were adjusted
  • Generally, large nebulae are checked before planetary nebulae
  • The distance range for large nebulae is 110 ly while planetary nebula are 100
  • This should be somewhat more efficient as a nearby large nebula will stop the check before calculating the distance for every planetary nebula
• A small tweak to fumarola nitris gravity requirement on methane atmospheres

Fixes

• The active commander will now update correctly if switching between multiple accounts
• Avoids a possible crash if the display tried to render before the commander was set