Fixes: Convert the date field value to DB format(yyyy-mm-dd) before storing.

modules/Settings/LayoutEditor/actions/Field.php

@@ -109,6 +109,7 @@ class Settings_LayoutEditor_Field_Action extends Settings_Vtiger_Index_Action {
             {
                 $defaultValue=Vtiger_Time_UIType::getTimeValueWithSeconds($defaultValue);
             }
+            // Converting the date value to DB format (yyyy-mm-dd)
             if ($defaultValue && $fieldInstance->get('uitype')=='5') {
                 $defaultValue = Vtiger_Date_UIType::getDBInsertedValue($defaultValue);
             }