Merge branch 'master' of https://github.com/jonataslaw/getx into sm-refactor

@@ -192,7 +192,7 @@ extension ExtensionDialog on GetInterface {
                     color: buttonColor ?? theme.colorScheme.secondary,
                     width: 2,
                     style: BorderStyle.solid),
-                borderRadius: BorderRadius.circular(100)),
+                borderRadius: BorderRadius.circular(radius)),
           ),
           onPressed: () {
             onCancel?.call();
@@ -215,7 +215,7 @@ extension ExtensionDialog on GetInterface {
               tapTargetSize: MaterialTapTargetSize.shrinkWrap,
               backgroundColor: buttonColor ?? theme.colorScheme.secondary,
               shape: RoundedRectangleBorder(
-                  borderRadius: BorderRadius.circular(100)),
+                  borderRadius: BorderRadius.circular(radius)),
             ),
             child: Text(
               textConfirm ?? "Ok",

@@ -34,10 +34,12 @@ class RxSet<E> extends GetListenable<Set<E>>
   }
 
   @override
-  bool add(E newValue) {
-    final val = value.add(newValue);
+  bool add(E value) {
+    final hasAdded = value.add(value);
+    if (hasAdded) {
       refresh();
-    return val;
+    }
+    return hasAdded;
   }
 
   @override