Customizing Advanced Layout Editor defaults

I run a site for a non-profit which has lots of volunteers who are creating/editing content. I would like to simplify things for them as frequent mistakes happen.

We only use the default editor for Posts. So for Posts, I would like to remove (hide) the Advance Layout Editor button so there is not even the option for volunteers to make that mistake.

For Pages and Portfolio Items, we only use the Advanced Layout Editor. With these, I would like to have a new Page or Portfolio Item default to the Advanced Layout Editor and not show the button to switch to Default Editor.

From this thread I found the following function that makes the Advanced Editor the default:

// make avia default on new posts
// use #postdivrich_wrap for editor only, #post-body for (pretty much) everything
// see https://kriesi.at/support/topic/always-open-advanced-layout-builder/#post-452117
add_action('admin_head-post-new.php', 'trigger_alb_on_load');
function trigger_alb_on_load(){
	echo '<style>#post-body { display: none; }</style>';
	?>
	<script>		
		(function($){
			$(window).load(function() {
				$("#avia-builder-button").trigger('click');
				$("#post-body").css('display', 'inherit');
			});
		})(jQuery);
	</script>
	<?php
}

This works, except I would like it to only work for Pages and Portfolio Items and leave Posts as the regular default editor. Then I need a way to hide the buttons so users cannot switch them. Any help appreciated.