[ui] add fetchEntity once fn

webui/src/lib/entity.ts

@@ -51,6 +51,13 @@ export function useEntity(address: string) {
   };
 }
 
+export async function fetchEntity(address: string): Promise<UpObject> {
+  const entityFetch = await fetch(`/api/obj/${address}`);
+  const entityResult = (await entityFetch.json()) as EntityListing;
+  const entityListing = new UpListing(entityResult.entries);
+  return entityListing.getObject(address);
+}
+
 export async function fetchEntry(address: string) {
   const response = await fetch(`api/raw/${address}`);
   const data = await response.json();