BRD - Various fixes and improvements from previous commits

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Автор: cala

BRD - Various fixes and improvements from previous commits



* Arena event:

- fix a wrong use of urand for the crowd cheering

- now use the correct number of NPCs per wave (thanks @Tobschinski for

the values)

- code and comments cleanup



* Bridge event (thanks @Schmoozerd for his suggestions):

- fix NPC summon type

- use Set/GetData



* Rocknot event:

- add missing texts

- fix build

- handle server reset if event is already complete

- slightly lower the probability of random emote for patrons

- now handle nearby patrons' reaction in escort script to match

Phalanx's one



* SQL:

- Fix missing queries

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