Seed patchdb UI data (#1835)

* adjust types
for patchdb ui data and create seed file

* feat: For init and the migration use defaults

* fix update path

* update build for ui seed file

* fix accidential revert

* chore: Convert to do during the init

* chore: Update the commit message

Co-authored-by: BluJ <mogulslayer@gmail.com>

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

@@ -8,15 +8,5 @@ import { firstValueFrom, map } from 'rxjs'
 export function getMarketplace(
   patch: PatchDB<DataModel>,
 ): Promise<UIMarketplaceData> {
-  return firstValueFrom(
-    patch.watch$('ui', 'marketplace').pipe(
-      map(
-        m =>
-          m || {
-            'selected-id': null,
-            'known-hosts': {},
-          },
-      ),
-    ),
-  )
+  return firstValueFrom(patch.watch$('ui', 'marketplace'))
 }