fix(ui-kit): fix accessibility text size scaling in message widget

Signed-off-by: Sahil Kumar <[email protected]>

packages/stream_chat_flutter/lib/src/extension.dart

@@ -97,3 +97,8 @@ extension InputDecorationX on InputDecoration {
     );
   }
 }
+
+extension BuildContextX on BuildContext {
+  double get textScaleFactor =>
+      MediaQuery.maybeOf(this)?.textScaleFactor ?? 1.0;
+}

packages/stream_chat_flutter/lib/src/message_search_list_view.dart

@@ -262,15 +262,13 @@ class _MessageSearchListViewState extends State<MessageSearchListView> {
     );
     if (widget.pullToRefresh) {
       child = RefreshIndicator(
-        onRefresh: () => _messageSearchListController.loadData(),
+        onRefresh: _messageSearchListController.loadData,
         child: child,
       );
     }
 
     child = LazyLoadScrollView(
-      onEndOfPage: () async {
-        return _messageSearchListController.paginateData();
-      },
+      onEndOfPage: _messageSearchListController.paginateData,
       child: child,
     );
 

packages/stream_chat_flutter/lib/src/message_widget.dart

@@ -585,7 +585,10 @@ class _MessageWidgetState extends State<MessageWidget>
                                 ),
                               ],
                             ),
-                            if (showBottomRow) SizedBox(height: 20.0),
+                            if (showBottomRow)
+                              SizedBox(
+                                height: context.textScaleFactor * 20.0,
+                              ),
                           ],
                         ),
                         if (showBottomRow)
@@ -733,7 +736,7 @@ class _MessageWidgetState extends State<MessageWidget>
             transform: Matrix4.rotationY(widget.reverse ? pi : 0),
             alignment: Alignment.center,
             child: Container(
-              height: 16,
+              height: context.textScaleFactor * 16,
               child: Center(
                 child: child,
               ),

packages/stream_chat_flutter/lib/src/user_list_view.dart

@@ -193,7 +193,7 @@ class _UserListViewState extends State<UserListView>
       return child;
     } else {
       return RefreshIndicator(
-        onRefresh: () => _userListController.loadData(),
+        onRefresh: _userListController.loadData,
         child: child,
       );
     }
@@ -241,9 +241,7 @@ class _UserListViewState extends State<UserListView>
             child: Text(message),
           ),
           TextButton(
-            onPressed: () {
-              _userListController.loadData();
-            },
+            onPressed: () => _userListController.loadData(),
             child: Text('Retry'),
           ),
         ],
@@ -298,9 +296,7 @@ class _UserListViewState extends State<UserListView>
           );
 
     return LazyLoadScrollView(
-      onEndOfPage: () async {
-        return _userListController.paginateData();
-      },
+      onEndOfPage: _userListController.paginateData,
       child: child,
     );
   }