fix: let caller request safe HTML literal for rendered grid table

mostly just for convenience

tailbone/grids/core.py

@@ -1223,6 +1223,7 @@ class Grid(WuttaGrid):
 
     def render_table_element(self, template='/grids/b-table.mako',
                              data_prop='gridData', empty_labels=False,
+                             literal=False,
                              **kwargs):
         """
         This is intended for ad-hoc "small" grids with static data.  Renders
@@ -1239,7 +1240,10 @@ class Grid(WuttaGrid):
         if context['paginated']:
             context.setdefault('per_page', 20)
         context['view_click_handler'] = self.get_view_click_handler()
-        return render(template, context)
+        result = render(template, context)
+        if literal:
+            result = HTML.literal(result)
+        return result
 
     def get_view_click_handler(self):
         """ """