Fix member list

lib/widgets/avatar_or_hash.dart

@@ -25,25 +25,31 @@ class AvatarOrHash extends StatelessWidget {
       color: ColorHash(title).color,
       child: Center(child: Text(title[0])),
     );
-    return Center(
+    return SizedBox(
+      width: height,
+      height: height,
+      child: Center(
         child: ClipRRect(
           borderRadius: BorderRadius.all(Radius.circular(4)),
           child: Badge(
             isLabelVisible: hasBadge,
             smallSize: 10,
             backgroundColor: Theme.of(context).colorScheme.primary,
+            child: SizedBox(
+              width: height,
+              height: height,
               child: avatar == null
                   ? fallback ?? box
                   : Image.network(
                       avatar.toString(),
                       headers: headers,
-                  width: height,
-                  height: height,
                       fit: BoxFit.contain,
                       errorBuilder: (_, _, _) => box,
                     ),
             ),
           ),
+        ),
+      ),
     );
   }
 }