ACP2E-446:[Magento Quans] Any insight into why to the insight sanitation on the new media gallery is now more restrictive

Author: thiaramus

app/code/Magento/MediaGalleryUi/view/adminhtml/templates/container.phtml

@@ -23,7 +23,8 @@
                         "masonryComponentPath": "media_gallery_listing.media_gallery_listing.media_gallery_columns"
                     }
                 }
-            }
+            },
+            "Magento_MediaGalleryUi/js/validation/validate-filename": {}
         }
     }
 </script>

app/code/Magento/MediaGalleryUi/view/adminhtml/web/js/directory/directories.js

@@ -123,10 +123,10 @@ define([
                     content:  $t(data.content),
                     modalClass: 'media-gallery-folder-prompt',
                     validation: true,
-                    validationRules: ['required-entry', 'validate-alphanum'],
+                    validationRules: ['required-entry', 'validate-filename'],
                     attributesField: {
                         name: 'folder_name',
-                        'data-validate': '{required:true, validate-alphanum}',
+                        'data-validate': '{required:true, validate-filename}',
                         maxlength: '128'
                     },
                     attributesForm: {