fix mrketplace swtiching (#1810)

frontend/projects/ui/src/app/util/get-marketplace.ts

@@ -3,18 +3,20 @@ import {
   DataModel,
   UIMarketplaceData,
 } from 'src/app/services/patch-db/data-model'
-import { filter, firstValueFrom, startWith } from 'rxjs'
+import { firstValueFrom, map } from 'rxjs'
 
 export function getMarketplace(
   patch: PatchDB<DataModel>,
 ): Promise<UIMarketplaceData> {
   return firstValueFrom(
     patch.watch$('ui', 'marketplace').pipe(
-      filter(Boolean),
-      startWith({
-        'selected-id': null,
-        'known-hosts': {},
-      }),
+      map(
+        m =>
+          m || {
+            'selected-id': null,
+            'known-hosts': {},
+          },
+      ),
     ),
   )
 }

frontend/projects/ui/src/app/util/get-package-data.ts

@@ -8,7 +8,7 @@ import { filter, firstValueFrom } from 'rxjs'
 export function getPackage(
   patch: PatchDB<DataModel>,
   id: string,
-): Promise<PackageDataEntry> {
+): Promise<PackageDataEntry | undefined> {
   return firstValueFrom(patch.watch$('package-data', id))
 }