Bug #4504 / Upload Button: required asterik missing after save - seems to be a...

Bug #4504 / Upload Button: required asterik missing after save - seems to be a problem for every element - should be fixed now.

extension/qfq/qfq/AbstractBuildForm.php

@@ -860,7 +860,8 @@ abstract class AbstractBuildForm {
 
         if (isset($formElement[FE_LABEL])) {
             $key = $formElement[FE_HTML_ID] . HTML_ID_EXTENSION_LABEL;
-            $json[API_ELEMENT_UPDATE][$key][API_ELEMENT_CONTENT] = $this->buildLabel($htmlFormElementName, $formElement[FE_LABEL]);
+            $addClass = ($formElement[FE_MODE] == FE_MODE_REQUIRED) ? CSS_REQUIRED : '';
+            $json[API_ELEMENT_UPDATE][$key][API_ELEMENT_CONTENT] = $this->buildLabel($htmlFormElementName, $formElement[FE_LABEL], $addClass);
         }
 
         if (isset($formElement[FE_NOTE])) {
@@ -2815,6 +2816,9 @@ abstract class AbstractBuildForm {
         $attribute .= Support::doAttribute('data-load', ($formElement[FE_DYNAMIC_UPDATE] === 'yes') ? 'data-load' : '');
         $attribute .= Support::doAttribute('data-sip', $sipUpload);
 
+
+        $json = $this->getFormElementForJson($htmlFormElementName, $value, $formElement); // Below, $formElement[FE_MODE]=FE_MODE_REQUIRED will be changed. Get the JSON unchanged
+
         if ($value === '' || $value === false) {
             $textDeleteClass = 'hidden';
             $uploadClass = '';
@@ -2841,7 +2845,6 @@ abstract class AbstractBuildForm {
 
 //        <button type="button" class="file-delete" data-sip="571d1fc9e6974"><span class="glyphicon glyphicon-trash"></span></button>
 
-        $json = $this->getFormElementForJson($htmlFormElementName, $value, $formElement);
 
         $formElement = HelperFormElement::prepareExtraButton($formElement, false);