Open media on the same tab when user click on edit media

functions.php

<?php
// Check if function doest not exists.
if ( ! function_exists( 'rtmedia_wp_footer_add_js_callback' ) ) {
	function rtmedia_wp_footer_add_js_callback() {
		?>
		<script type="text/javascript">
			jQuery(document).ready(function($) {
				// Event will fire when someone click on edit button of media.
				jQuery( 'body' ).on( 'click', '.rtmedia-gallery-item-actions a',function(){
					var target = jQuery( this ).attr( 'target' );

					// Checked for the target attribute if it exists or not and is also set to blank.
					if ( target != 'undefined' && target == '_blank' ) {

						// Replace the blank target attribute to self target attribute.
						jQuery( this ).attr( 'target', '_self' );
					}
				});
			});
		</script>
		<?php
	}
}
add_action( 'wp_footer', 'rtmedia_wp_footer_add_js_callback', 10, 1 );