Media: Reset aspect ratio constraints when width and height fields fail numeric validation.

Props TBschen, valentinbora.
Fixes #49073.

Built from https://develop.svn.wordpress.org/trunk@47262


git-svn-id: http://core.svn.wordpress.org/trunk@47062 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/image-edit.js

@@ -1113,6 +1113,10 @@
 			h = $('#image-preview-' + postid).height();
 
 		if ( false === this.validateNumeric( el ) ) {
+			this.iasapi.setOptions({
+				aspectRatio: null
+			});
+
 			return;
 		}
 

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.4-alpha-47261';
+$wp_version = '5.4-alpha-47262';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.