Filter to display full content of post instead of excerpt.

full-content.txt

1) Enable short excerpt under the Excerpt tab. Here, excerpt length will not make any effect. Refer here - https://cl.ly/f27e6a04fdea

2) Paste this code in your active theme's functions.php file -
add_action('uael_single_post_before_excerpt','custom_post_content',10,2);
	function custom_post_content($post_id, $settings){
	?>
		<div class="uael-post__excerpt uael-custom-excerpt">
			<?php the_content(); ?>
		</div>
	<?php 
}

3) Paste the below CSS under Advanced settings -> Custom CSS tab
.uael-post__excerpt {
	display: none;
}
.uael-post__excerpt.uael-custom-excerpt {
	display: block;
}