fix(ui): fix ios

packages/stream_chat_flutter/lib/src/anchored_overlay.dart

@@ -98,14 +98,22 @@ class _OverlayBuilderState extends State<OverlayBuilder>
     }
   }
 
+  EdgeInsets? _previousInsets;
+
   @override
   void didChangeMetrics() {
     super.didChangeMetrics();
 
-    SchedulerBinding.instance!.addPostFrameCallback((_) {
-      hideOverlay();
-      syncWidgetAndOverlay();
-    });
+    final newInsets = MediaQuery.of(context).viewPadding;
+
+    if (newInsets.bottom != _previousInsets?.bottom) {
+      WidgetsBinding.instance!.addPostFrameCallback((_) {
+        hideOverlay();
+        syncWidgetAndOverlay();
+      });
+
+      _previousInsets = newInsets;
+    }
   }
 
   @override

packages/stream_chat_flutter/lib/src/message_input.dart

@@ -470,7 +470,7 @@ class MessageInputState extends State<MessageInput> {
       overlayOptions: [
         OverlayOption(
           overlayBuilder: (context, offset) => CenterAbout(
-            position: Offset(offset.dx, offset.dy),
+            position: offset,
             child: _buildMentionsOverlayEntry(),
           ),
           showOverlay: _showMentionsOverlay,
@@ -478,7 +478,7 @@ class MessageInputState extends State<MessageInput> {
         OverlayOption(
           showOverlay: _showCommandsOverlay,
           overlayBuilder: (context, offset) => CenterAbout(
-            position: Offset(offset.dx, offset.dy),
+            position: offset,
             child: _buildCommandsOverlayEntry(),
           ),
         ),
@@ -493,10 +493,11 @@ class MessageInputState extends State<MessageInput> {
                   )
                   .contains(':'),
           overlayBuilder: (context, offset) => CenterAbout(
-            position: Offset(offset.dx, offset.dy),
+            position: offset,
             child: _buildEmojiOverlay(),
           ),
         ),
+        ...widget.customOverlays,
       ],
       child: child,
     );