Converts a bunch of time/delay vars to use time defines (#92495)

## About The Pull Request

Converts as many time vars expressed in deciseconds as I could find to
use time defines.

## Why It's Good For The Game

Makes these values neater and more readable.

## Changelog
🆑
code: Converted a lot of time-based variables to be expressed with time
defines.
/🆑

code/modules/research/xenobiology/vatgrowing/microscope.dm

@@ -126,7 +126,7 @@
 /datum/crafting_recipe/microscope
 	name = "Microscope"
 	result = /obj/structure/microscope
-	time = 30
+	time = 3 SECONDS
 	tool_behaviors = list(TOOL_SCREWDRIVER)
 	reqs = list(
 		/obj/item/stack/sheet/glass = 1,