Editor: Avoid double escaping on value passed for attribute in HTML t…

…ag processor

Fix for the Block Bindings processing.
See #5888 (comment).

Props: czapla, dmsnell, gziolo.



git-svn-id: https://develop.svn.wordpress.org/trunk@57561 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-wp-block.php

@@ -376,7 +376,7 @@ private function replace_html( string $block_content, string $attribute_name, $s
 				) ) {
 					return $block_content;
 				}
-				$amended_content->set_attribute( $block_type->attributes[ $attribute_name ]['attribute'], esc_attr( $source_value ) );
+				$amended_content->set_attribute( $block_type->attributes[ $attribute_name ]['attribute'], $source_value );
 				return $amended_content->get_updated_html();
 				break;