[10754] Use UNIT_FIELD_CRITTER for store minipet guid.

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<pre>m src/game/Pet.cpp
m src/game/Player.cpp
m src/game/Player.h
m src/game/SpellEffects.cpp
m src/game/Unit.cpp
m src/game/Unit.h
m src/shared/revision_nr.h
</pre>
<pre style='white-space:pre-wrap;width:81ex'>[10754] Use UNIT_FIELD_CRITTER for store minipet guid.

Also move related code to Unit and allow summon minipets by creatures.

Signed-off-by: VladimirMangos <vladimir@getmangos.com>

Also fix creature's totems unsummon at owner remove from world.</pre>




Дальше... (https://github.com/mangos/mangos/commit/1b24b0cb63839e83fb09aa258d0d1d720c0c3822)