Bug: Packed AngelScript scripts don't run on addons

### Describe the bug

When you have an addon with a `code/sv_init.as` file, it runs when outside of a VPK in an addon, but not when it's packed.

### To Reproduce

Take any AngelScript addon and pack it into a VPK

### Issue Map

Any

### Expected Behavior

Addon behavior should be consistent between packed VPKs and free files.

### Operating System

_No response_