Core/Common: Merge TimeTrackerSmall with TimeTracker

Port From (https://github.com/TrinityCore/TrinityCore/commit/8809d54ca2daa230b1439f012c8b10ee88d6beae)

Source/Game/Entities/Player/Player.Fields.cs

@@ -241,7 +241,7 @@ namespace Game.Entities
         float[] m_powerFraction = new float[(int)PowerType.MaxPerClass];
         int[] m_MirrorTimer = new int[3];
 
-        TimeTrackerSmall m_groupUpdateTimer;
+        TimeTracker m_groupUpdateTimer;
 
         ulong m_GuildIdInvited;
         DeclinedName _declinedname;

Source/Game/Entities/Player/Player.cs

@@ -612,7 +612,7 @@ namespace Game.Entities
             }
 
             // group update
-            m_groupUpdateTimer.Update((int)diff);
+            m_groupUpdateTimer.Update(diff);
             if (m_groupUpdateTimer.Passed())
             {
                 SendUpdateToOutOfRangeGroupMembers();