Massively refactored everything related to entity inventory management
We are no longer recalculating mass by iterating over the entire inventory any time anything changes, for example
Gear is explicitly associated with hardpoints in the entity code
This did introduce some bugs, will clean those up tomorrow
Properties panel now allows nested lists with foldouts, item selection and click callbacks
Properties Panel UI has a new look
Refactored lambdas in control module code into methods for readability
Entity rendering now fully supports dynamic entities from game context
Entity children now displayed underneath icon
GameContext can spawn entities by loadout
Selected corporation's initial fleet is spawned in parent corp's home sector
Properties panel API is now unified with context menu API
Properties panel labels now update dynamically
