Is there a way to override only a portion of the function print_media_templates defined in wp-includes\media-template.php?

No, there isn’t. Unless there’s an apply_filters() call, you can’t modify any of the output. You mentioned “the only hook is to the entire function”, but that’s not the case either. There is a do_action() call at the end, but this is an action hook, so it only lets you run something at the end … Read more

WP dashboard messed up

I suspect that if you enable the Network tab in your browser Diagnostics screen (usually F9, but right-click and select ‘inspect’). you will see that a CSS file is not getting loaded for some reason. This is probably a theme issue of not properly loading the CSS. Could also be a caching issue; perhaps the … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)