chore(core, ui): update CHANGELOG.md

Signed-off-by: xsahil03x <[email protected]>

packages/stream_chat_flutter/CHANGELOG.md

@@ -11,6 +11,13 @@
     pagination = const PaginationParams(limit: 30)
     ```
 
+🔄 Changed
+
+- `UserListViewCore` filter property now has a default value.
+    ```dart
+    filter = const Filter.empty()
+    ```
+
 🐞 Fixed
 
 - Fixed `MessageSearchListView` pagination.

packages/stream_chat_flutter_core/CHANGELOG.md

@@ -11,10 +11,18 @@
     pagination = const PaginationParams(limit: 30)
     ```
 
+🔄 Changed
+
+- `UserListViewCore` filter property now has a default value.
+    ```dart
+    filter = const Filter.empty()
+    ```
+
 🐞 Fixed
 
 - Fixed `MessageSearchBloc` pagination.
-- [[#673]](https://github.com/GetStream/stream-chat-flutter/issues/673): Fix `Core Widgets` not getting rebuild with new data on configuration change.
+- [[#673]](https://github.com/GetStream/stream-chat-flutter/issues/673): Fix `Core Widgets` not getting rebuild with new
+  data on configuration change.
 
 ## 2.2.1