Media: Don't try to resize image formats which can't be resized

While having a mime type with an "image" prefix, SVG images are in fact "Scalable Vector Graphics" that can be scaled directly.

Follow-up to [60084].

Reviewed by desrosj.
Backports [60195] to the 6.8 branch.

Props sirlouen, adamsilverstein, audrasjb, pbiron, sainathpoojary, dilipbheda, pratiklondhe.
Fixes #63302. See #61167.
Built from https://develop.svn.wordpress.org/branches/6.8@60196


git-svn-id: http://core.svn.wordpress.org/branches/6.8@59532 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php

@@ -155,8 +155,16 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
 			isset( $files['file']['type'] ) &&
 			str_starts_with( $files['file']['type'], 'image/' )
 		) {
-			// Check if the image editor supports the type.
-			if ( ! wp_image_editor_supports( array( 'mime_type' => $files['file']['type'] ) ) ) {
+			// List of non-resizable image formats.
+			$editor_non_resizable_formats = array(
+				'image/svg+xml',
+			);
+
+			// Check if the image editor supports the type or ignore if it isn't a format resizable by an editor.
+			if (
+				! in_array( $files['file']['type'], $editor_non_resizable_formats, true ) &&
+				! wp_image_editor_supports( array( 'mime_type' => $files['file']['type'] ) )
+			) {
 				return new WP_Error(
 					'rest_upload_image_type_not_supported',
 					__( 'The web server cannot generate responsive image sizes for this image. Convert it to JPEG or PNG before uploading.' ),

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.8.1-alpha-60194';
+$wp_version = '6.8.1-alpha-60196';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.