Shorten KeePassHTTP checkbox description and only enable settings when it's checked

src/http/OptionDialog.cpp

@@ -30,6 +30,9 @@ OptionDialog::OptionDialog(QWidget *parent) :
     m_ui->warningWidget->showMessage(tr("The following options can be dangerous!\nChange them only if you know what you are doing."), MessageWidget::Warning);
     m_ui->warningWidget->setIcon(FilePath::instance()->icon("status", "dialog-warning"));
     m_ui->warningWidget->setCloseButtonVisible(false);
+
+    m_ui->tabWidget->setEnabled(m_ui->enableHttpServer->isChecked());
+    connect(m_ui->enableHttpServer, SIGNAL(toggled(bool)), m_ui->tabWidget, SLOT(setEnabled(bool)));
 }
 
 OptionDialog::~OptionDialog()