Tweaks watchers and legions (#30028)

* Tweaks watchers and legions

* Linters

* Flight fix

* Fixes aggro range

code/modules/mob/living/basic/mining/basilisk_ai.dm

@@ -13,6 +13,7 @@
 		/datum/ai_planning_subtree/ranged_skirmish/watcher,
 		/datum/ai_planning_subtree/attack_obstacle_in_path,
 		/datum/ai_planning_subtree/basic_melee_attack_subtree,
+		/datum/ai_planning_subtree/find_and_hunt_target/prowl/lavaland,
 	)
 
 /datum/ai_planning_subtree/ranged_skirmish/watcher

code/modules/mob/living/basic/mining/hivelord.dm

@@ -54,7 +54,7 @@
 	mouse_opacity = MOUSE_OPACITY_OPAQUE
 	friendly_verb_continuous = "buzzes near"
 	friendly_verb_simple = "buzz near"
-	speed = 2
+	speed = -1 // Faster than a person
 	maxHealth = 1
 	health = 1
 	harm_intent_damage = 5

code/modules/mob/living/basic/mining/hivelord_ai.dm

@@ -13,6 +13,7 @@
 		/datum/ai_planning_subtree/simple_find_target,
 		/datum/ai_planning_subtree/summon_brood,
 		/datum/ai_planning_subtree/flee_target/legion,
+		/datum/ai_planning_subtree/find_and_hunt_target/prowl/lavaland,
 	)
 
 /// With evil speech
@@ -22,6 +23,7 @@
 		/datum/ai_planning_subtree/simple_find_target,
 		/datum/ai_planning_subtree/summon_brood,
 		/datum/ai_planning_subtree/flee_target/legion,
+		/datum/ai_planning_subtree/find_and_hunt_target/prowl/lavaland,
 	)
 
 /datum/ai_controller/basic_controller/hivelord/legion/advanced