newsletters: do not include cell by default (#21876)

combo/apps/newsletters/models.py

@@ -55,7 +55,7 @@ class NewslettersCell(CellBase):
 
     @classmethod
     def is_enabled(cls):
-        return True
+        return settings.NEWSLETTERS_CELL_ENABLED
 
     class Meta:
         verbose_name = _('Newsletters')

combo/settings.py

@@ -283,8 +283,9 @@ COMBO_MAP_ATTRIBUTION = 'Map data &copy; <a href="https://openstreetmap.org">Ope
 # we use 28s by default: timeout just before web server, which is usually 30s
 REQUESTS_TIMEOUT = 28
 
-# hide work-in-progress/experimental/whatever booking calendar cell for now
+# hide work-in-progress/experimental/whatever cells for now
 BOOKING_CALENDAR_CELL_ENABLED = False
+NEWSLETTERS_CELL_ENABLED = False
 
 local_settings_file = os.environ.get('COMBO_SETTINGS_FILE',
         os.path.join(os.path.dirname(__file__), 'local_settings.py'))

tests/settings.py

@@ -57,3 +57,4 @@ if 'DISABLE_MIGRATIONS' in os.environ:
 FAMILY_SERVICE = {'root': '/'}
 
 BOOKING_CALENDAR_CELL_ENABLED = True
+NEWSLETTERS_CELL_ENABLED = True