fix(App): change mount point

[Antreesy]

• make parent DOM nodes style-transparent to respect NcContent styles

Current structure:

<main id="app-content-vue" class="app-content no-snapper">
	<!---->
	<!---->
	<div> <!-- apps/settings/src/views/SettingsContentWrapper.vue ->
		<div id="logreader-root"> <!-- templates/index.php ->
			<div class="logreader-container" /> <!-- App.vue ->

[Antreesy]

/compile