Actor movement

[SapphireMordred]

• Further map out the packet required for displaying actor movement
• [x] Properly display walking and sprinting animation to other players
• [ ] Properly display strafing / backpaddleing to other players
• [ ] Figure out how animation speed effects all this

[NotAdam]

I think this is mostly fixed now? @AriAvery did a bunch on this and I think it's retail accurate now (or very close to retail)?