[3.3.5] Spell/Hunter: Hunting Party not work properly with Explosive Shot

[djbarrueco]

Description:
Hunting Party (Rank 3): Increases your total Agility by an additional 3%, and your Arcane Shot, Explosive Shot and Steady Shot critical strikes have a 100% chance to grant up to 10 party or raid members mana regeneration equal to 1% of the maximum mana per 5 sec. Lasts for 15 sec.
It works ok with Arcane Shot and Steady Shot but not with Explosive Shot.

Current behaviour:
Explosive Shot critical strikes not grant mana regeneration.

Expected behaviour:
Explosive Shot critical strikes should grant mana regeneration.

Steps to reproduce the problem:

1. Use Explosive Shot continuously.
2. Wait for a critical strike.

Branch(es): 3.3.5

TC rev. hash/commit: 3d5c1b8

TDB version: TDB_full_world_335.62_2016_10_17 + updates

Operating system: Windows