Small improvement

app/src/main/res/layout/fragment_options_connection.xml

@@ -502,6 +502,7 @@
                     android:layout_width="0dp"
                     android:layout_height="wrap_content"
                     android:layout_marginTop="12dp"
+                    android:checked="true"
                     android:text="@string/title_advanced_cert_strict"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"