feat(Core): Implement SP Bonus Coefficients from DBC (#12562)

* cherry-pick commit (https://github.com/TrinityCore/TrinityCore/commit/1826437c094966ae339a154844df8587b2122888)

* Co-authored by: ariel- <ariel-@users.noreply.github.com>

* feat(Core): Implement SP Bonus Coefficients from DBC

* Several coefficient corrections

* Fix spell_dru_lifebloom

src/server/game/Spells/SpellMgr.cpp

@@ -1965,7 +1965,7 @@ void SpellMgr::LoadSpellProcs()
     LOG_INFO("server.loading", " ");
 }
 
-void SpellMgr::LoadSpellBonusess()
+void SpellMgr::LoadSpellBonuses()
 {
     uint32 oldMSTime = getMSTime();