Fixed case-sensitive accept in filepicker field

CHANGELOG.md

@@ -1,3 +1,9 @@
+# v1.10.4
+## dd/mm/2021
+
+1. [](#bugfix)
+   * Fixed case-sensitive `accept` in `filepicker` field
+
 # v1.10.3
 ## 02/01/2021
 

classes/plugin/AdminBaseController.php

@@ -912,7 +912,7 @@ class AdminBaseController
 
         foreach ((array)$settings['accept'] as $type) {
             $find = str_replace('*', '.*', $type);
-            $valid |= preg_match('#' . $find . '$#', $file);
+            $valid |= preg_match('#' . $find . '$#i', $file);
         }
 
         return $valid;