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/scripts/Commands/cs_reload.cpp

@@ -872,7 +872,7 @@ public:
     static bool HandleReloadSpellBonusesCommand(ChatHandler* handler)
     {
         LOG_INFO("server.loading", "Re-Loading Spell Bonus Data...");
-        sSpellMgr->LoadSpellBonusess();
+        sSpellMgr->LoadSpellBonuses();
         handler->SendGlobalGMSysMessage("DB table `spell_bonus_data` (spell damage/healing coefficients) reloaded.");
         return true;
     }