fix(Core/Spells): Divine Shield should prevent from environmental damage (#7071)

- Closes #5804

src/server/game/Entities/Player/Player.cpp

@@ -760,7 +760,7 @@ void Player::StopMirrorTimer(MirrorTimerType Type)
 bool Player::IsImmuneToEnvironmentalDamage()
 {
     // check for GM and death state included in isAttackableByAOE
-    return (!isTargetableForAttack(false, nullptr));
+    return (!isTargetableForAttack(false, nullptr)) || isTotalImmune();
 }
 
 uint32 Player::EnvironmentalDamage(EnviromentalDamage type, uint32 damage)