Remove the plugin notifications from all the pages except the main WP Admin dashboard

gistfile1.txt

<?php 

add_action( 'current_screen', function() {
    
	$screen = get_current_screen();

	if ( $screen->id !== "dashboard" ) {
        add_action( 'admin_enqueue_scripts', function() {
            
            echo '<style>
                    div.wrap > .update-nag, 
                    div.wrap > .updated, 
                    div.wrap > .error, 
                    div.wrap > .is-dismissible 
                    { 
                        display: none !important; 
                    }
                 </style>';
        
        });
	}
});