UI: Hide script tabs if no python settings

UI/frontend-plugins/frontend-tools/forms/scripts.ui

@@ -19,6 +19,9 @@
      <property name="currentIndex">
       <number>0</number>
      </property>
+     <property name="tabBarAutoHide">
+      <bool>true</bool>
+     </property>
      <widget class="QWidget" name="scriptsTab">
       <attribute name="title">
        <string>Scripts</string>

UI/frontend-plugins/frontend-tools/scripts.cpp

@@ -192,6 +192,7 @@ ScriptsTool::ScriptsTool() : QWidget(nullptr), ui(new Ui_ScriptsTool)
 #else
 	delete ui->pythonSettingsTab;
 	ui->pythonSettingsTab = nullptr;
+	ui->tabWidget->setStyleSheet("QTabWidget::pane {border: 0;}");
 #endif
 
 	delete propertiesView;