[z2287] DBScripts - Add Map/Zone wide sound support to COMMAND_PLAY_SOUND

Signed-off-by: Schmoozerd <schmoozerd@cmangos>

(based on commit [12397] - a42abdb)

Signed-off-by: Xfurry <xfurry@scriptdev2.com>

(based on commit [s1929] - 50e54d1)

Signed-off-by: Xfurry <xfurry@scriptdev2.com>