feat(Core/Pets): Management refactoring (#9712)

* feat(Core/Pets): rework managment

* 1

* 2

* 3

* 4

* 5

* cs pet

* check before ressurect

* pet DECLINED_NAMES

* display

- https://github.com/azerothcore/azerothcore-wotlk/issues/9297

* ArenaSpectator

* 1

src/server/game/Entities/Unit/Unit.h

@@ -1146,7 +1146,7 @@ enum ActiveStates
     ACT_DECIDE   = 0x00                                     // custom
 };
 
-enum ReactStates
+enum ReactStates : uint8
 {
     REACT_PASSIVE    = 0,
     REACT_DEFENSIVE  = 1,