+ [task#148285] add products box id.

module/execution/ui/create.field.php

@@ -101,6 +101,7 @@ $fields->field('percent')
     ->label($lang->stage->percent . sprintf($lang->execution->unitTemplate, '%'));
 
 $fields->field('productsBox')
+    ->id('productsBox')
     ->width('full')
     ->control(array
     (

module/execution/ui/edit.field.php

@@ -142,6 +142,7 @@ if($hasPercent && $project && $project->model != 'ipd')
 }
 
 $fields->field('productsBox')
+    ->id('productsBox')
     ->width('full')
     ->className($hidden)
     ->control(array(