[export list][layout] improve last line of export list

CHANGELOG.md

@@ -139,3 +139,8 @@ Version 1.5.20
     Improve build and count query in default index action to be customized 
     in one dedicated method.
 
+Master Branch
+=============
+
+- [Export list] improve alignment of last line
+

Resources/public/modules/export-list/export-list.scss

@@ -6,7 +6,6 @@
         display: flex;
         flex-direction: row;
         flex-wrap: wrap;
-        justify-content: space-between;
 
         .export-list__element {
             min-width: 18rem;