electro fires & death tick delays

[ghost]

In the original game a small fire was spawned after the infantry electro deaths. Looking at youtube it appears to be fire2, then fire3.

Additionally, the death animations should include a tick delay of 80, as they currently all play much too fast.

	die6: die6
		Combine:
			electro:
				Length: 13
				UseTilesetExtension: true
				TilesetOverrides:
					DESERT: TEMPERAT
					INTERIOR: TEMPERAT
			fire2:
				Length: 14
			fire3:
				Length: 14
		Length: 41
		Tick: 80
		ZOffset: -511