Fix empty tokens

Author: sfc-gh-pfus

secure_storage_manager.go

@@ -160,16 +160,13 @@ func buildCredCacheDirPath(confs []cacheDirConf) (string, error) {
 
 func (ssm *fileBasedSecureStorageManager) getTokens(data map[string]any) map[string]interface{} {
 	val, ok := data["tokens"]
-	emptyMap := map[string]interface{}{}
 	if !ok {
-		data["tokens"] = emptyMap
-		return emptyMap
+		return map[string]interface{}{}
 	}
 
 	tokens, ok := val.(map[string]interface{})
 	if !ok {
-		data["tokens"] = emptyMap
-		return emptyMap
+		return map[string]interface{}{}
 	}
 
 	return tokens