Merge pull request #264 from kodadot/group-by-bug

Group by image and collection

Author: yangwao

dashboard/src/components/rmrk/Gallery/Search/query.ts

@@ -26,7 +26,8 @@ export const basicAggregation = (): Aggregator => {
   const agg: Aggregation = [
     {
       $group: {
-        _id: '$image',
+        _id: { image: "$image", collection: "$collection"   },
+        // _id: '$image',
         ids: { $push: '$id' },
         collection: { $first: '$collection' },
         name: { $first: '$name' },