Add ablility to scroll folders in case when we have a lot of included

one by one folders revert cutting folders from backend

Author: Nazar65

app/code/Magento/MediaGalleryUi/Model/Directories/GetFolderTree.php

@@ -17,8 +17,6 @@
  */
 class GetFolderTree
 {
-    private const NAME_LENGTH = 50;
-
     /**
      * @var Filesystem
      */
@@ -86,11 +84,8 @@ private function getDirectories(): array
             }
 
             $pathArray = explode('/', $path);
-            $displayName = strlen(end($pathArray)) > self::NAME_LENGTH ?
-                         substr(end($pathArray), 0, self::NAME_LENGTH) . "..." :
-                         end($pathArray);
             $directories[] = [
-                'data' => count($pathArray) > 0 ? $displayName : $path,
+                'data' => count($pathArray) > 0 ? end($pathArray) : $path,
                 'attr' => ['id' => $path],
                 'metadata' => [
                     'path' => $path

app/code/Magento/MediaGalleryUi/view/adminhtml/web/css/source/_module.less

@@ -170,8 +170,9 @@
             height: 30px;
             margin: 1px;
             padding-left: 6px;
+            padding-right: 10px;
             padding-top: 6px;
-            width: 100%;
+            width: max-content;
         }
 
         .jstree-default .jstree-clicked {
@@ -272,8 +273,17 @@
         }
 
         .media-directory-container {
+            &::-webkit-scrollbar {
+                background: transparent;
+                width: 0px;
+            }
+            -ms-overflow-style: none;
             float: left;
+            max-width: 50%;
+            overflow-x: scroll;
+            overflow-y: hidden;
             padding-right: 40px;
+            scrollbar-width: none;
         }
 
         .media-gallery-image-block {