Merge pull request #12477 from pchote/conditions-lint

Add a conditions lint rule + other rules fixes.

OpenRA.Mods.D2k/Traits/AttackSwallow.cs

@@ -26,7 +26,7 @@ namespace OpenRA.Mods.D2k.Traits
 		[Desc("The number of ticks it takes to get in place under the target to attack.")]
 		public readonly int AttackDelay = 30;
 
-		[UpgradeGrantedReference]
+		[GrantedConditionReference]
 		[Desc("The condition to grant to self while attacking.")]
 		public readonly string AttackingCondition = null;