Azerothcore-wotlk: [Dungeon] minor bugs Halls of Stone

[Maurowin]

SMALL DESCRIPTION:

Brann doesn't grab and hold when the band is in combat.
During the Brann event, monsters only attack players if the players attack them.
Missing buff like the video, the laser on the globe buff the stone mobs https://youtu.be/_yChwlV9xHE?t=531

Some bosses dont give money
https://youtu.be/hu9tKa8NeVg

EXPECTED BLIZZLIKE BEHAVIOUR:

Brann must be aggro when he walks past the monsters and fights.
During the Barnes event, monsters must not ignore players and attack them.
The stones mobs must sometime get buff like video with the laser https://youtu.be/_yChwlV9xHE?t=531

bosses shall give money.
Retail video (wow cata):
https://youtu.be/_yChwlV9xHE?t=502

CURRENT BEHAVIOUR:

STEPS TO REPRODUCE THE PROBLEM:

1. 
   
   
   2.
   
3.

EXTRA NOTES:

BRANCH(ES):

master

AC HASH/COMMIT:

22bd7e19d06c

OPERATING SYSTEM:

ubuntu server 18.04

MODULES:

OTHER CUSTOMIZATIONS:

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[Knindzagxg]

Can confirm all 3 issues.

Tried to sort Overload buff, but for some reason spell it self not working at the moment.
It need to be cast from some 'dummy' towards NPC, but will see what we can do about it.