Respect mutable cache open error. (#1216)

Result of opening protected cache rewrites result of openning mutable
cache. We will miss errors protected cache is ok.

Relates-To: OAM-1088

Signed-off-by: Kostiantyn Zvieriev <[email protected]>

Author: kzvieriev

olp-cpp-sdk-core/src/cache/DefaultCacheImpl.cpp

@@ -812,6 +812,10 @@ DefaultCache::StorageOpenResult DefaultCacheImpl::SetupStorage() {
     result = SetupMutableCache();
   }
 
+  if (result != StorageOpenResult::Success) {
+    return result;
+  }
+
   if (settings_.disk_path_protected) {
     result = SetupProtectedCache();
   }