feat: commands ui

lib/src/message_input.dart

@@ -398,6 +398,8 @@ class MessageInputState extends State<MessageInput> {
         bottom: size.height + MediaQuery.of(context).viewInsets.bottom,
         left: 0,
         right: 0,
+        child: Padding(
+          padding: const EdgeInsets.all(8.0),
           child: Material(
             color: StreamChatTheme.of(context).primaryColor,
             child: Container(
@@ -448,6 +450,7 @@ class MessageInputState extends State<MessageInput> {
                       trailing: CircleAvatar(
                         backgroundColor: StreamChatTheme.of(context).accentColor,
                         child: Icon(StreamIcons.lightning, color: Colors.white,),
+                        maxRadius: 40.0,
                       ),
                       //subtitle: Text(c.description),
                       onTap: () {
@@ -460,6 +463,7 @@ class MessageInputState extends State<MessageInput> {
               ),
             ),
           ),
+        ),
       );
     });
   }