Qt: Rename some options.

TV Shader drop down list:
None -> None (Default)

Sharpening drop down list:
Disabled -> None (Default)

Renderer Automatic -> Automatic (Default)

pcsx2-qt/Settings/GraphicsSettingsWidget.cpp

@@ -44,7 +44,7 @@ struct RendererInfo
 };
 
 static constexpr RendererInfo s_renderer_info[] = {
-	QT_TRANSLATE_NOOP("GraphicsSettingsWidget", "Automatic"),
+	QT_TRANSLATE_NOOP("GraphicsSettingsWidget", "Automatic (Default)"),
 	GSRendererType::Auto,
 #ifdef _WIN32
 	QT_TRANSLATE_NOOP("GraphicsSettingsWidget", "Direct3D 11"),

pcsx2-qt/Settings/GraphicsSettingsWidget.ui

@@ -1258,7 +1258,7 @@
              <widget class="QComboBox" name="casMode">
               <item>
                <property name="text">
-                <string>Disabled</string>
+                <string>None (Default)</string>
                </property>
               </item>
               <item>
@@ -1326,7 +1326,7 @@
            <widget class="QComboBox" name="tvShader">
             <item>
              <property name="text">
-              <string>None</string>
+              <string>None (Default)</string>
              </property>
             </item>
             <item>