fixed bug when current cipher was not displaying correctly in dropdown menu

client/ui/qml/Pages2/PageProtocolShadowSocksSettings.qml

@@ -140,8 +140,10 @@ PageType {
                                     cipherDropDown.text = cipher
 
                                     for (var i = 0; i < cipherListView.model.count; i++) {
+                                        const element = cipherListView.model.get(i)
+
                                         if (cipherListView.model.get(i).name === cipherDropDown.text) {
-                                            currentIndex = i
+                                            cipherListView.selectedIndex = i
                                         }
                                     }
                                 }