Fixed deleting latest user and melody instead of chosen

source/ubl-settings-bootloader.cc

@@ -1140,6 +1140,7 @@ void MainWindow::remove_user() {
 }
 
 void MainWindow::remove_melody() {
+    iter_melody_del = this->treeViewMelody->get_selection()->get_selected();
     if (flag_validate_del_melody && list_store_melody->iter_is_valid(iter_melody_del)) {
         list_store_melody->erase(iter_melody_del);
         flag_validate_del_melody = false;

ubl-settings-bootloader.glade

@@ -1922,6 +1922,7 @@
       <object class="GtkBox">
         <property name="visible">True</property>
         <property name="can-focus">False</property>
+        <property name="margin-top">5</property>
         <property name="orientation">vertical</property>
         <child>
           <object class="GtkBox">