Core/Misc: minor typo and codestyle fixes

- Replace NULL uses in new code with nullptr
- Fix wrong (accumulated) load time log when loading calendar invites
- Make Creature::CanRegenerateHealth const as its just a getter
- Mark OnlyOnceAreaTriggerScript::OnTrigger as final in case someone wants to override that (you are supposed to use protected _OnTrigger hook)

(cherry picked from commit 78a1c687a25d91dd6b13251f28d03ec6a0a49b8a)

2 files changed, 3 insertions, 3 deletions

diff --git a/src/server/scripts/Commands/cs_list.cpp b/src/server/scripts/Commands/cs_list.cpp
index ea4eb09669f..1d187685fe6 100644
--- a/src/server/scripts/Commands/cs_list.cpp
+++ b/src/server/scripts/Commands/cs_list.cpp
@@ -714,7 +714,7 @@ public:
             uint32 gridY = ri->gridId / MAX_NUMBER_OF_GRIDS;
             uint32 gridX = ri->gridId % MAX_NUMBER_OF_GRIDS;
 
-            std::string respawnTime = ri->respawnTime > time(NULL) ? secsToTimeString(uint64(ri->respawnTime - time(NULL)), true) : stringOverdue;
+            std::string respawnTime = ri->respawnTime > time(NULL) ? secsToTimeString(uint64(ri->respawnTime - time(nullptr)), true) : stringOverdue;
             handler->PSendSysMessage(UI64FMTD " | %u | [%02u,%02u] | %s (%u) | %s", ri->spawnId, ri->entry, gridX, gridY, GetZoneName(ri->zoneId, handler->GetSessionDbcLocale()), ri->zoneId, map->IsSpawnGroupActive(data->spawnGroupData->groupId) ? respawnTime.c_str() : "inactive");
         }
 
@@ -735,7 +735,7 @@ public:
             uint32 gridY = ri->gridId / MAX_NUMBER_OF_GRIDS;
             uint32 gridX = ri->gridId % MAX_NUMBER_OF_GRIDS;
 
-            std::string respawnTime = ri->respawnTime > time(NULL) ? secsToTimeString(uint64(ri->respawnTime - time(NULL)), true) : stringOverdue;
+            std::string respawnTime = ri->respawnTime > time(NULL) ? secsToTimeString(uint64(ri->respawnTime - time(nullptr)), true) : stringOverdue;
             handler->PSendSysMessage(UI64FMTD " | %u | [% 02u, % 02u] | %s (%u) | %s", ri->spawnId, ri->entry, gridX, gridY, GetZoneName(ri->zoneId, handler->GetSessionDbcLocale()), ri->zoneId, map->IsSpawnGroupActive(data->spawnGroupData->groupId) ? respawnTime.c_str() : "inactive");
         }
         return true;
diff --git a/src/server/scripts/Commands/cs_npc.cpp b/src/server/scripts/Commands/cs_npc.cpp
index daafecc8ef1..fb501cf418d 100644
--- a/src/server/scripts/Commands/cs_npc.cpp
+++ b/src/server/scripts/Commands/cs_npc.cpp
@@ -231,7 +231,7 @@ bool HandleNpcSpawnGroup(ChatHandler* handler, char const* args)
         else
             groupId = atoi(thisArg.c_str());
 
-        arg = strtok(NULL, " ");
+        arg = strtok(nullptr, " ");
     }
 
     Player* player = handler->GetSession()->GetPlayer();