Core/SAI: Add support to friendly+hostile to SMART_EVENT_OOC_LOS and SMART_EVENT_IC_LOS (#26579)

Change SMART_EVENT_OOC_LOS and SMART_EVENT_IC_LOS first parameter to have 3 values:
- 0 : Hostile
- 1 : Not hostile (not that Friendly and Not hostile have different meanings)
- 2 : Any, as in both Hostile and Not hostile

Close #24789

* Add validation on startup for allowed values.
Code cleanup.

* Fix errors

(cherry picked from commit 9e7cdb02d2)

src/server/game/AI/SmartScripts/SmartScriptMgr.cpp

@@ -32,6 +32,7 @@
 #include "SpellMgr.h"
 #include "Timer.h"
 #include "UnitDefines.h"
+#include "Util.h"
 #include "WaypointDefines.h"
 #include <algorithm>
 
@@ -832,6 +833,12 @@ bool SmartAIMgr::IsEventValid(SmartScriptHolder& e)
             case SMART_EVENT_IC_LOS:
                 if (!IsMinMaxValid(e, e.event.los.cooldownMin, e.event.los.cooldownMax))
                     return false;
+                if (e.event.los.hostilityMode >= AsUnderlyingType(SmartEvent::LOSHostilityMode::End))
+                {
+                    TC_LOG_ERROR("sql.sql", "SmartAIMgr: Entry " SI64FMTD " SourceType %u Event %u Action %u uses hostilityMode with invalid value %u (max allowed value %u), skipped.",
+                        e.entryOrGuid, e.GetScriptType(), e.event_id, e.GetActionType(), e.event.los.hostilityMode, AsUnderlyingType(SmartEvent::LOSHostilityMode::End) - 1);
+                    return false;
+                }
                 break;
             case SMART_EVENT_RESPAWN:
                 if (e.event.respawn.type == SMART_SCRIPT_RESPAWN_CONDITION_MAP && !sMapStore.LookupEntry(e.event.respawn.map))