feat: use function hooks instead of class hooks

packages/fl_query/lib/src/core/client.dart

@@ -110,6 +110,7 @@ class QueryClient {
         )
         .cast<DataType, ErrorType, PageType>();
     query.updateQueryFn(queryFn);
+    query.updateNextPageFn(nextPage);
     cache.addInfiniteQuery(query);
     return query;
   }

packages/fl_query/lib/src/core/infinite_query.dart

@@ -314,6 +314,7 @@ class InfiniteQuery<DataType, ErrorType, PageType>
   }
 
   void updateNextPageFn(InfiniteQueryNextPage<DataType, PageType> nextPage) {
+    if (state._nextPage == nextPage) return;
     state = state.copyWith(nextPage: nextPage);
   }