LookAndFeel: Update default name for tab/toolbar missing-item button

This button is used to access hidden toolbar items, as well as hidden
tabs. The old "tabs" name was misleading when the button was located in
a toolbar.

modules/juce_gui_basics/lookandfeel/juce_LookAndFeel_V2.cpp

@@ -2456,7 +2456,7 @@ Button* LookAndFeel_V2::createTabBarExtrasButton()
     overImage.addAndMakeVisible (ellipse.createCopy().release());
     overImage.addAndMakeVisible (dp.createCopy().release());
 
-    auto db = new DrawableButton ("tabs", DrawableButton::ImageFitted);
+    auto db = new DrawableButton (TRANS ("Additional Items"), DrawableButton::ImageFitted);
     db->setImages (&normalImage, &overImage, nullptr);
     return db;
 }