[Xedra Evolved]Fix electronic halo adds weapon dispersion

[shoozzzh]

Summary

Bugfixes "An electronic halo(on) increases weapon dispersion, but it's supposed to decrease it according to its description"

Purpose of change

Describe the solution

reverse the sign of adjustment of weapon dispersion

Describe alternatives you've considered

Testing

Additional context

just need to point out that the same thing happens in the Chainsmoker perk from Bombastic Perks.

[github-actions]

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