Twenty Twenty: Fix twentytwenty_get_post_meta to return output from action hooks when no default meta exists

Author: shrivastavanolo

src/wp-content/themes/twentytwenty/inc/template-tags.php

@@ -524,7 +524,8 @@ function twentytwenty_get_post_meta( $post_id = null, $location = 'single-top' )
 		$meta_output = ob_get_clean();
 
 		// If there is meta to output, return it.
-		if ( $has_meta && $meta_output ) {
+		$meta_output_inner = trim( strip_tags( $meta_output ) );
+		if ( ( $has_meta || '' !== $meta_output_inner ) && $meta_output ) {
 
 			return $meta_output;