Add support for general "view click handler" for <b-table> element

plus some other tweaks for sake of revision history in profile view

tailbone/grids/core.py

@@ -964,6 +964,24 @@ class Grid(object):
         context['data_prop'] = data_prop
         if 'grid_columns' not in context:
             context['grid_columns'] = self.get_buefy_columns()
+
+        # locate the 'view' action
+        # TODO: this should be easier, and/or moved elsewhere?
+        view = None
+        for action in self.main_actions:
+            if action.key == 'view':
+                view = action
+                break
+        if not view:
+            for action in self.more_actions:
+                if action.key == 'view':
+                    view = action
+                    break
+
+        context['view_click_handler'] = None
+        if view and view.click_handler:
+            context['view_click_handler'] = view.click_handler
+
         return render(template, context)
 
     def get_filters_sequence(self):