Media/Upload: When the users upload big images and WordPress creates a scaled image to use as the largest size, append `scaled-` to the file names of the scaled images to make them easier to recognize.

Props kraftbj, azaozz.
Fixes #48304.
Built from https://develop.svn.wordpress.org/trunk@46565


git-svn-id: http://core.svn.wordpress.org/trunk@46362 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/image.php

@@ -263,9 +263,9 @@ function wp_create_image_subsizes( $file, $attachment_id ) {
 		}
 
 		if ( ! is_wp_error( $resized ) ) {
-			// Append the threshold size to the image file name. It will look like "my-image-2560.jpg".
+			// Append the threshold size to the image file name. It will look like "my-image-scaled-2560.jpg".
 			// This doesn't affect the sub-sizes names as they are generated from the original image (for best quality).
-			$saved = $editor->save( $editor->generate_filename( $threshold ) );
+			$saved = $editor->save( $editor->generate_filename( 'scaled-' . $threshold ) );
 
 			if ( ! is_wp_error( $saved ) ) {
 				$image_meta = _wp_image_meta_replace_original( $saved, $file, $image_meta, $attachment_id );

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-RC1-46564';
+$wp_version = '5.3-RC1-46565';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.