DB/SAI: fixed target_type of spell Vampire Rush, added in my previous commit.
I have used target_type, which caused that NPC used the spell on all players in range, that's wrong.
Core/Networking: Catch possible boost exception in StartNetwork

Closes #13557

(cherry picked from commit 3eb120ab507aa65e452d21a63ff500254129c262)
CMake/FindBoost: Fix policy CMP0054 warning (added in 3.1)

(cherry picked from commit 7e6dadfea68836cc92aaa7e1bb770be620225aa2)
Merge branch '3.3.5' of https://github.com/TrinityCore/TrinityCore into ghbb