fix(store-assets): match existing creative asset placements by image

The placements list only carries the image relationship when the image is
included, so `app-store-creative.ts assign` saw every placement as pointing
elsewhere and would have replaced all of them on each run.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: DIYgod

store-assets/scripts/app-store-creative.ts

@@ -158,6 +158,9 @@ const assign = async () => {
       localization.id,
       "--placement-type",
       placementTypes.join(","),
+      // Without it the placements carry no image relationship to compare.
+      "--include",
+      "image",
     ])
     for (const type of placementTypes) {
       const current = placements.filter((p) => p.attributes.placementType === type)