Fix screwup I made when adding broadcast text

Fix an error I made when adding broadcast text had been too used to adding this as extra field as never used to be output by wpp even though is still 0 the field is output now for creature text.
Scripts/Naxxramas:

* Implement dialogue after Sapphiron dies.
* Spawn missing triggers at Kel'Thuzad's room.
* Implement a couple of missing texts and emotes to Kel'Thuzad's fight.
Scripts/HallsOfLightning: Readd a safe-measure line to remove Loken's aura
Merge remote-tracking branch 'upstream/3.3.5' into 3.3.5