Whenever I create a new project (I use the default options, only change the name and the domain) and the building and syncing starts (it starts automatically) I get the followin
In XML you have to use both starting and closing tag for the component. In your case you are missing those. Take a look.
<application>
<component name="PropertiesComponent">
<property name="ATTACHED_TOOL_WINDOW.DEFAULT.NELE_EDITOR.COMPONENT_TREE.AUTO_HIDE" value="false" />
<property name="ATTACHED_TOOL_WINDOW.DEFAULT"/>
</component>
</application>