change remove-preset-password-warning default value to Y

flutter/lib/common.dart

@@ -3307,8 +3307,8 @@ Widget buildPresetPasswordWarning() {
         return Text(
             'Error: ${snapshot.error}'); // Show an error message if the Future completed with an error
       } else if (snapshot.hasData && snapshot.data == true) {
-        if (bind.mainGetLocalOption(key: "remove-preset-password-warning") ==
-            'Y') {
+        if (bind.mainGetLocalOption(key: "remove-preset-password-warning") !=
+            'N') {
           return SizedBox.shrink();
         }
         return Container(