[10379] More wide use ObjectGuid in arena team code.

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<pre>m src/game/ArenaTeam.cpp
m src/game/ArenaTeam.h
m src/game/ArenaTeamHandler.cpp
m src/game/BattleGround.cpp
m src/game/ObjectMgr.cpp
m src/game/PetitionsHandler.cpp
m src/game/Player.cpp
m src/game/Player.h
m src/shared/revision_nr.h
</pre>
<pre style='white-space:pre-wrap;width:81ex'>[10379] More wide use ObjectGuid in arena team code.

As always in this commits line fixes for uint32->uint64 guid assigns.</pre>




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