Added some more Gen 8 item effects, added Intimidate being blocked by some abilities, fixed Nectars being usable on fainted Oricorio

Data/Scripts/011_Battle/001_Battler/001_PokeBattle_Battler.rb

@@ -541,6 +541,12 @@ class PokeBattle_Battler
     return true
   end
 
+  def effectiveWeather
+    ret = @battle.pbWeather
+    ret = :None if [:Sun, :Rain, :HarshSun, :HeavyRain].include?(ret) && hasActiveItem?(:UTILITYUMBRELLA)
+    return ret
+  end
+
   def affectedByPowder?(showMsg=false)
     return false if fainted?
     if pbHasType?(:GRASS) && Settings::MORE_TYPE_EFFECTS