fix(settings): block signals during initialization

Prevents unexpected writes to settings during object creation, which can potentially mess up various settings values.

src/widget/form/settingswidget.cpp

@@ -34,6 +34,9 @@
 SettingsWidget::SettingsWidget(QWidget* parent)
     : QWidget(parent, Qt::Window)
 {
+    // block all signals during initialization, including child widgets
+    blockSignals(true);
+
     body = new QWidget();
     QVBoxLayout* bodyLayout = new QVBoxLayout();
     body->setLayout(bodyLayout);
@@ -70,6 +73,8 @@ SettingsWidget::SettingsWidget(QWidget* parent)
     connect(settingsWidgets, &QTabWidget::currentChanged, this, &SettingsWidget::onTabChanged);
 
     Translator::registerHandler(std::bind(&SettingsWidget::retranslateUi, this), this);
+
+    blockSignals(false);
 }
 
 SettingsWidget::~SettingsWidget()