Fix planet order in planet combo box
Fix planet order in planet combo box

Known planets first in specific order, afterwards moons and unknown
celestial bodies.
REVIEW: 107727

Earthwings/marble,David-Gil/marble-dev,quannt24/marble,oberluz/marble,quannt24/marble,tucnak/marble,Earthwings/marble,utkuaydin/marble,oberluz/marble,rku/marble,tzapzoor/marble,AndreiDuma/marble,tzapzoor/marble,oberluz/marble,tzapzoor/marble,utkuaydin/marble,quannt24/marble,David-Gil/marble-dev,tzapzoor/marble,tucnak/marble,rku/marble,adraghici/marble,AndreiDuma/marble,probonopd/marble,tucnak/marble,tzapzoor/marble,AndreiDuma/marble,Earthwings/marble,Earthwings/marble,rku/marble,adraghici/marble,David-Gil/marble-dev,probonopd/marble,utkuaydin/marble,David-Gil/marble-dev,oberluz/marble,tucnak/marble,David-Gil/marble-dev,Earthwings/marble,tucnak/marble,oberluz/marble,probonopd/marble,quannt24/marble,rku/marble,rku/marble,utkuaydin/marble,tucnak/marble,Earthwings/marble,probonopd/marble,tzapzoor/marble,David-Gil/marble-dev,probonopd/marble,tzapzoor/marble,quannt24/marble,utkuaydin/marble,quannt24/marble,quannt24/marble,tucnak/marble,tzapzoor/marble,probonopd/marble,AndreiDuma/marble,adraghici/marble,adraghici/marble,adraghici/marble,AndreiDuma/marble,oberluz/marble,AndreiDuma/marble,utkuaydin/marble,rku/marble,probonopd/marble,adraghici/marble