StartSideOffset doesn't work in projectiles

Summary

Describe the bug encountered in detail.

Steps to reproduce

1. Use this skill: https://pastebin.com/sLZHQCcN
2. Put it in a mob or use this mob: https://pastebin.com/eCq8RP64
3. Spawn the mob, the projectiles will not go offside

Current behavior The StartSideOffset option is not working (the sso alias is working tho) You can see in this video: https://www.youtube.com/watch?v=XhTFxM5hKbk&feature=youtu.be

Intended correct behavior It should put the projectiles offside

Server log file https://pastebin.com/CLD2EMeQ

Debug log snippet https://pastebin.com/UgRiiAhb