fix(dapp): wait for reserved/blocked lists before showing name availability (#1142)

* Initial plan

* Fix reserved names showing as available during initial loading

Co-authored-by: begonaalvarezd <3624944+begonaalvarezd@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: begonaalvarezd <3624944+begonaalvarezd@users.noreply.github.com>

Author: Copilot

dapp/src/components/availability-check/AvailabilityCheck.tsx

@@ -51,8 +51,8 @@ export function AvailabilityCheck({ autoFocusInput }: AvailabilityCheckProps) {
     const pathname = usePathname();
     const router = useRouter();
     const { close } = useAvailabilityCheckDialog();
-    const { data: blockedList = [] } = useBlockedList();
-    const { data: reservedList = [] } = useReservedList();
+    const { data: blockedList = [], isLoading: isLoadingBlockedList } = useBlockedList();
+    const { data: reservedList = [], isLoading: isLoadingReservedList } = useReservedList();
     const [searchValue, setSearchValue] = useState<string>('');
     const debouncedSearchValue = useDebounce(searchValue, DEBOUNCE_DELAY);
     const [recentSearches, setRecentSearches] = useState<RecentSearch[]>(() => {
@@ -94,7 +94,11 @@ export function AvailabilityCheck({ autoFocusInput }: AvailabilityCheckProps) {
     const isLoading =
         !validationError &&
         debouncedSearchValue &&
-        (isLoadingAuctionMetadata || isLoadingNameRecord || isLoadingPriceList);
+        (isLoadingAuctionMetadata ||
+            isLoadingNameRecord ||
+            isLoadingPriceList ||
+            isLoadingBlockedList ||
+            isLoadingReservedList);
 
     const isAuctionInProgress = auctionMetadata?.isActive;
     const isUnavailable = nameRecordData?.type === 'unavailable';