Fix RC db flags (#8897)

* Fix RC db flags

* Add changelog

Author: karenyz

FirebaseRemoteConfig/CHANGELOG.md

@@ -1,3 +1,6 @@
+# Unreleased
+- [fixed] Fixed cached config not loading if device is locked. (#8807)
+
 # v8.0.0
 - [fixed] Fixed throttling issue when fetch fails due to no network. (#6628)
 - [fixed] Fixed issue where sometimes the local config returned is empty. (#7424)

FirebaseRemoteConfig/Sources/RCNConfigDBManager.m

@@ -214,7 +214,8 @@ - (void)createOrOpenDatabase {
     if (!RemoteConfigCreateFilePathIfNotExist(dbPath)) {
       return;
     }
-    int flags = SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE | SQLITE_OPEN_FILEPROTECTION_COMPLETE |
+    int flags = SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE |
+                SQLITE_OPEN_FILEPROTECTION_COMPLETEUNTILFIRSTUSERAUTHENTICATION |
                 SQLITE_OPEN_FULLMUTEX;
     if (sqlite3_open_v2(databasePath, &strongSelf->_database, flags, NULL) == SQLITE_OK) {
       // Always try to create table if not exists for backward compatibility.