Balance idea: Cybran ACU Adjustments

[MrRowey]

To go along with the changes in #5052 to ensure that it is not a nerf to the cybran acu. this will make it so that the steal is not useless with the vision changes but also make it so there is a mid-game upgrade too with a slight nerf to the laser due to stealth and nano upgrade.

Base ACU

- Regen 15 > 20

Stealth

- Add +20 Regen

New Nano

- Between Stealth and Cloak (3-Stage)
- 35k E Cost
- 1k  Mass Cost
- 1k Build Time 
- Add 50 Regn
- Add 3.5k HP

Cloak

- Remove 3.5k Hp

Lazer

- Reduce DPS from 4000 > 3000

This is a balance idea from the balance team. It is not set in stone, it may be adjusted or rejected as the changes are tested.