Add SNES All Stars support

[city41]

Enable Smaghetti to build levels for SMB3 in SNES All Stars. This is a giant enhancement of course.

High level things

• add support to HexTree for AllStars
• Figure out where world 1-1 is stored in AllStars as the injection point
• add allstars config object to entities that are compatible with AllStars. This object will store allstars specific overrides, for example the entity might exist in allstars with a different id.
• have allstars/sma4 toggle in editor

The same smaghetti level can be made to run in either sma4 or allstars at the flip of the toggle, noting:

• viewport size will change
• if in AllStars mode, non-compatible entities will not be included
• SMA4 specific metadata such as level icon, ecoin, ace coins, etc will not be included in AllStars mode