refactor: move asset stacks to their own entity (#6353)

* feat: auto-stack burst photos

* feat: move stacks to asset stack entity

* chore: pin node version with volta in server

* chore: update e2e cases

* chore: cleanup

* feat: migrate existing stacks

---------

Co-authored-by: Jason Rasmussen <jrasm91@gmail.com>

server/src/domain/asset/response-dto/asset-response.dto.ts

@@ -116,9 +116,13 @@ export function mapAsset(entity: AssetEntity, options: AssetMapOptions = {}): As
     tags: entity.tags?.map(mapTag),
     people: peopleWithFaces(entity.faces),
     checksum: entity.checksum.toString('base64'),
-    stackParentId: entity.stackParentId,
-    stack: withStack ? entity.stack?.map((a) => mapAsset(a, { stripMetadata })) ?? undefined : undefined,
-    stackCount: entity.stack?.length ?? null,
+    stackParentId: withStack ? entity.stack?.primaryAssetId : undefined,
+    stack: withStack
+      ? entity.stack?.assets
+          .filter((a) => a.id !== entity.stack?.primaryAssetId)
+          .map((a) => mapAsset(a, { stripMetadata }))
+      : undefined,
+    stackCount: entity.stack?.assets?.length ?? null,
     isExternal: entity.isExternal,
     isOffline: entity.isOffline,
     isReadOnly: entity.isReadOnly,