[TF2] Medi Guns' beam origin is misplaced, beam doesn't behave correctly

[Ashetf2]

https://user-images.githubusercontent.com/63692647/184465512-b8a45501-90e2-444e-bd04-fe0fa30a6e60.mp4

As you can see in the video, the beam origins from the "barrel" of the hose, instead of from the muzzle. The origin also moves when the player moves the camera.

I use this mod: https://gamebanana.com/mods/12082, which fixes the issue, as you can see here

https://user-images.githubusercontent.com/63692647/184465586-a4b9fe5f-0612-4060-9f33-4175beda5feb.mp4