Hide warning groupbox in backend settings

src/settings/backendsettingspage.cpp

@@ -437,10 +437,12 @@ void BackendSettingsPage::ShowWarning(QString text) {
 
   ui_->label_warn_text->setStyleSheet("QLabel { color: red; }");
   ui_->label_warn_text->setText("<b>" + text + "</b>");
-  
+
+  ui_->groupbox_warning->setVisible(true);
   ui_->label_warn_logo->setVisible(true);
   ui_->label_warn_text->setVisible(true);
 
+  ui_->groupbox_warning->setEnabled(true);
   ui_->label_warn_logo->setEnabled(true);
   ui_->label_warn_text->setEnabled(true);
 
@@ -451,9 +453,11 @@ void BackendSettingsPage::ResetWarning() {
   ui_->label_warn_logo->clear();
   ui_->label_warn_text->clear();
 
+  ui_->groupbox_warning->setEnabled(false);
   ui_->label_warn_logo->setEnabled(false);
   ui_->label_warn_text->setEnabled(false);
-  
+
+  ui_->groupbox_warning->setVisible(false);
   ui_->label_warn_logo->setVisible(false);
   ui_->label_warn_text->setVisible(false);
 

src/settings/backendsettingspage.ui

@@ -305,6 +305,9 @@
    </item>
    <item>
     <widget class="QGroupBox" name="groupbox_warning">
+     <property name="enabled">
+      <bool>false</bool>
+     </property>
      <property name="title">
       <string/>
      </property>
@@ -367,6 +370,12 @@
      <property name="orientation">
       <enum>Qt::Vertical</enum>
      </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>0</width>
+       <height>0</height>
+      </size>
+     </property>
     </spacer>
    </item>
   </layout>