moved tap logic to UserAvatar Widget

lib/src/message_widget.dart

@@ -155,13 +155,9 @@ class _MessageWidgetState extends State<MessageWidget>
       ),
       child: Row(
         children: <Widget>[
-          GestureDetector(
-            onTap: () {
-              if (widget.onUserAvatarTap != null) {
-                widget.onUserAvatarTap(widget.message.user);
-              }
-            },
-            child: UserAvatar(user: widget.message.user),
+          UserAvatar(
+            user: widget.message.user,
+            onUserAvatarTap: widget.onUserAvatarTap,
           ),
           if (_isMyMessage &&
               widget.nextMessage == null &&

lib/src/user_avatar.dart

@@ -9,19 +9,32 @@ class UserAvatar extends StatelessWidget {
     Key key,
     @required this.user,
     this.constraints,
+    this.onUserAvatarTap,
   }) : super(key: key);
 
   final User user;
   final BoxConstraints constraints;
+  final void Function(User) onUserAvatarTap;
 
   @override
   Widget build(BuildContext context) {
-    return ClipRRect(
-      borderRadius:
-          StreamChatTheme.of(context).ownMessageTheme.avatarTheme.borderRadius,
+    return GestureDetector(
+      onTap: () {
+        if (onUserAvatarTap != null) {
+          onUserAvatarTap(user);
+        }
+      },
+      child: ClipRRect(
+        borderRadius: StreamChatTheme.of(context)
+            .ownMessageTheme
+            .avatarTheme
+            .borderRadius,
         child: Container(
           constraints: constraints ??
-            StreamChatTheme.of(context).ownMessageTheme.avatarTheme.constraints,
+              StreamChatTheme.of(context)
+                  .ownMessageTheme
+                  .avatarTheme
+                  .constraints,
           decoration: BoxDecoration(
             color: StreamChatTheme.of(context).accentColor,
           ),
@@ -45,6 +58,7 @@ class UserAvatar extends StatelessWidget {
                 )
               : StreamChatTheme.of(context).defaultUserImage(context, user),
         ),
+      ),
     );
   }
 }