Don't lose the library settings when opening the settings dialog and accepting it without navigating to the Library tab.

src/libraryconfig.cpp

@@ -85,6 +85,10 @@ void LibraryConfig::Save() {
 }
 
 void LibraryConfig::showEvent(QShowEvent *) {
+  Load();
+}
+
+void LibraryConfig::Load() {
   QSettings s;
   s.beginGroup(LibraryView::kSettingsGroup);
 

src/libraryconfig.h

@@ -32,6 +32,7 @@ class LibraryConfig : public QWidget {
   void SetModel(LibraryDirectoryModel* model);
 
  public slots:
+  void Load();
   void Save();
 
  protected:

src/settingsdialog.cpp

@@ -246,6 +246,8 @@ void SettingsDialog::showEvent(QShowEvent*) {
   ui_.notifications_bg_preset->setItemData(2, QColor(color), Qt::DecorationRole);
   UpdatePopupVisible();
 
+  ui_.library_config->Load();
+
   loading_settings_ = false;
 }