form: don't display portfolio pickers if instructed to do so (#7182)

extra/modules/form.py

@@ -4,6 +4,8 @@ from qommon.form import *
 class FileWithPreviewAndStrongboxWidget(FileWithPreviewWidget):
     def render_hint(self, hint):
         t = CompositeWidget.render_hint(self, hint)
+        if not self.allow_portfolio_picking:
+            return t
         root_url = get_publisher().get_root_url()
         if get_publisher().has_site_option('strongbox') and get_request().user and not self.preview:
             get_response().add_javascript(['../../aq/js/strongbox.js'])