Make shine animation occur 80% of the time for metallic drakes

[#59758878]
Add long brackets for meiosis animation

[#61075752]
Fade in and out long brackets at appropriate times during meiosis

[#61075752]
Speed up all animations, and particularly shine animation.

All animations in general will happen 1300 ms sooner than previously.

Shine animations will happen ~ 1 per 2 seconds, instead of ~ 1 per 7 seconds.

We need to test if this slows down slow computers.

[#59758878]