docs: change paginationParams to limit

docusaurus/docs/Flutter/stream_chat_flutter/message_search_list_view.mdx

@@ -29,7 +29,7 @@ class MessageSearchPage extends StatelessWidget {
         child: MessageSearchListView(
           filters: Filter.in_('members', [StreamChat.of(context).user!.id],),
           messageQuery: 'your query here',
-          paginationParams: PaginationParams(limit: 20),
+          limit: 20,
         ),
       ),
     );

docusaurus/docs/Flutter/stream_chat_flutter_core/message_search_list_core.mdx

@@ -30,7 +30,7 @@ class MessageSearchPage extends StatelessWidget {
       body: MessageSearchListCore(
         messageQuery: _messageFilter,
         filters: _channelsFilter,
-              paginationParams: PaginationParams(limit: 20),
+        limit: 20,
       ),
     );
   }

packages/stream_chat_flutter/lib/src/message_search_list_view.dart

@@ -36,7 +36,7 @@ typedef EmptyMessageSearchBuilder = Widget Function(
 ///             r'$in': [user.id]
 ///           }
 ///         },
-///               paginationParams: PaginationParams(limit: 20),
+///         limit: 20,
 ///       ),
 ///     );
 ///   }

packages/stream_chat_flutter_core/lib/src/message_search_list_core.dart

@@ -20,7 +20,7 @@ import 'package:stream_chat_flutter_core/src/typedef.dart';
 ///       body: MessageSearchListCore(
 ///         messageQuery: _messageFilter,
 ///         filters: _channelsFilter,
-///               paginationParams: PaginationParams(limit: 20),
+///         limit: 20,
 ///       ),
 ///     );
 ///   }