Fix when strict = 1

Author: edenduong

app/code/Magento/Catalog/Block/Adminhtml/Product/Edit/Tab/Options/Option.php

@@ -478,9 +478,9 @@ public function getCheckboxScopeHtml($id, $name, $checked = true, $select_id = '
     public function getPriceValue($value, $type)
     {
         if ($type == 'percent') {
-            return number_format($value, 2, null, '');
+            return number_format((float)$value, 2, null, '');
         } elseif ($type == 'fixed') {
-            return number_format($value, 2, null, '');
+            return number_format((float)$value, 2, null, '');
         }
     }