Omen Ball 1.1.20 visual rebuild

Source of truth:
- omen_ball.geo(1).bbmodel supplied by user
- omen_ball.png supplied by user

Custom particle timeline ONLY:
- shut 0.5: afterspark @ 0
- bounce 1.0: hisuiafterspark @ 0
- bob1/2/3/6 1.0: hisuiafterspark @ 0
- critical 1.0: afterspark @ 0
- throw_ace 2.0: afterspark @ 0, .5, 1, 1.5
- capture 1.625: hisuiafterspark @ 0; capturestar @ .0417; hisuiafterspark @ .125/.25; afterspark @ .375/.625
- send-out effect retained through Cobblemon omenball/battle|casual/sendflash.

Bob4/Bob5 are not present; client shake selection is restricted to 1,2,3,6 for Omen only.
Gameplay OmenBallFix from 1.1.19 is unchanged.
