Add a small delay before starting the next stage of pre generation as

forceloaded chunks appear to now happen on the next tick

data/uhc_pack/functions/pre_generation/tick.mcfunction

@@ -9,5 +9,8 @@ execute if score X uhcPG matches 0.. if score Z uhcPG matches 0.. run function u
 
 # Check exit condition
 # If the test fails, mark this step as done and continue
-execute unless entity @e[type=minecraft:armor_stand,tag=pre_generator] run function uhc_pack:pre_generation/stage/complete
+execute if entity @e[type=minecraft:armor_stand,tag=pre_generator] run scoreboard players set NextStageDelay uhcPG 0
+execute unless entity @e[type=minecraft:armor_stand,tag=pre_generator] run scoreboard players add NextStageDelay uhcPG 1
+execute if score NextStageDelay uhcPG matches 20.. run function uhc_pack:pre_generation/stage/complete
+execute if score NextStageDelay uhcPG matches 20.. run scoreboard players set NextStageDelay uhcPG 0
 execute if score Stage uhcPG matches ..2 run schedule function uhc_pack:pre_generation/tick 1t