Rewrite bionic fuel system.

[Hirmuolio]

Summary

Content "Rewrite bionic fuel system."

Purpose of change

Bionic fuel system currently works by saving {"material_id", "quantity"} pairs as variables into player data when player eats fuel for the bionics. (Yes the fuel is still handled as being eaten!)

This is not a good way to do it. The biggest problem is that it uses material energy attribute wrong. The material energy is in energy per volume. But there is no volume info available.

To use material energy attribute correctly the bionic system must work with items.

Describe the solution

Bionic fuel exists as items.
It was supposed to be simple to switch where bionics look for their fuel. But it turns out that the bionic code was very "side effect oriented". One function would set the fuels in player variables then another function would read the fuels from player variables. Instead of trying to refactor that mess I ended up rewriting everything...

All items with "BIONIC_FUEL_SOURCE" will have their contents available as fuel for fuel powered bionics.

Fuel powered bionics now install pseudo item container for the fuel. This container is visible in worn equipment window.

Player refuels the bionic by placing fuel into the appropriate fuel tank pseudo item.

Added ability to limit pocket contents by item material. So you can only put items made out of gasoline into gasoline tank.

Battery system bionic can use medium and light batteries. This does lower its max stored charges a bit (used to be 2000 which is about same as heavy batteries). But the more convenient reload action should compensate.

Also simplified the autostart and fuel saving systems.
Autostart system has been removed. (it used to turn fueled bionic on if power level was below treshold).
Reworked fuel saving (it used to turn fueled bionic off if power was above treshold).

Now the bionic will simply not consume any fuel unless power is below the treshold.
Fuel powered bionics will behave as if they were "off" if power is above treshold. (muscle bionics slow you down less when off).
Bionic that is "ON" but not active due to fuel saving will show "(inactive)" in the bionic menu.

Bionic tanks visible in inventory. You can insert/remove items to/from them just like any other container:

Bionic window is basically the same as before:

Known issue: NPCs do not refill their bionic tanks. NPCs do not reload their magazines either and I do not really know enough about the NPC code to quickly fix.
Probably best behavior would be to every now and then when out of combat see if any container with "BIONIC_FUEL_SOURCE" flag can be refilled and refill them.

Describe alternatives you've considered

Testing

Gasoline fuel cell works (8 kJ/s).
Oil generator works (9 kJ/5s).
Cable charger works when connected to UPS, solar backpack and vehicle.

Fuel can be reloaded and unloaded.
Running out of fuel turns bionic off.
Saving and loading works.
Loading old saves migrates properly. Even the charges are migrated!

Additional context

[Hirmuolio]

Uh oh. I completely messed up the branch. I'll make a new pull request from copy of the non-messed branch.