Filter for correcting carbonfields file field type metadata lookup

filters.php

<?php

add_filter( 'carbon_fields_attachment_id_from_url' , __NAMESPACE__ . '\get_attachment_id_from_url', 10, 2 );
function get_attachment_id_from_url( $attachment_id, $url ) {
	if ( 0 === $attachment_id ) {
		$dir           = wp_upload_dir();

		$filename = basename( $url );
		$filename = str_replace( [ '.doc', '.pdf', '.xls' ], [ '-doc', '-pdf', '-xls' ], $filename );
		$filename .= '.jpg';

		if ( strpos( $url, $dir['baseurl'] . '/' ) !== false ) {
			$query_args = array(
				'post_type'   => 'attachment',
				'post_status' => 'inherit',
				'fields'      => 'ids',
				'meta_query'  => array(
					array(
						'value'   => $filename,
						'compare' => 'LIKE',
						'key'     => '_wp_attachment_metadata',
					),
				)
			);

			$query = new \WP_Query( $query_args );

			if ( $query->have_posts() ) {
				foreach ( $query->posts as $post_id ) {
					$meta                = wp_get_attachment_metadata( $post_id );
					$original_file       = basename( $meta['file'] );
					$cropped_image_files = wp_list_pluck( $meta['sizes'], 'file' );

					if ( $original_file === $filename || in_array( $filename, $cropped_image_files ) ) {
						$attachment_id = intval( $post_id );

						break;
					}
				}
			}
		}
	}
	return $attachment_id;
}