fix: prevents eating canned dog food after activation

[IllusionDX]

Checklist

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• I wrote the PR title in conventional commit format.
• I ran the code formatter.
• I linked any relevant issues using github keyword syntax so it can be closed automatically.
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Purpose of change

Instead of eating the dog food (or any other pet food) that's in a container, it gets unloaded to the inventory, where it can be used.

Describe the solution

modifies is_pet_food bool on avatar_functions.cpp to reflect json changes on pet food.

Describe alternatives you've considered

Crying.

Testing

Before:

After:

[chaosvolt]

1. Compiled and load-tested.
2. Works as intended.