[cleanup] Fix initializers order

Bug: 282215580
Test: build + boot + perf record

Change-Id: I5c76515aa3dad405a2938d8d0e87048cc52cf61b
diff --git a/cmds/idmap2/libidmap2/ResourceContainer.cpp b/cmds/idmap2/libidmap2/ResourceContainer.cpp
index 7869fbd..9025b5b 100644
--- a/cmds/idmap2/libidmap2/ResourceContainer.cpp
+++ b/cmds/idmap2/libidmap2/ResourceContainer.cpp
@@ -227,9 +227,9 @@
     } else {
       overlay_data.pairs.emplace_back(
           OverlayData::Value{*target_resource, TargetValueWithConfig{
-              .config = std::string(),
               .value = TargetValue{.data_type = overlay_resource->dataType,
-                                   .data_value = overlay_resource->data}}});
+                                   .data_value = overlay_resource->data},
+              .config = std::string()}});
     }
   }