add betongGray as background color option and default for featured block

dnscms/dnscms/blocks.py

@@ -101,6 +101,7 @@ class FeaturedBlock(blocks.StructBlock):
     )
 
     COLOR_CHOICES = (
+        ("betongGray", "Betonggrå"),
         ("deepBrick", "Dyp tegl"),
         ("neufPink", "Griserosa"),
         ("goldenOrange", "Gyllen oransje"),
@@ -120,7 +121,8 @@ class FeaturedBlock(blocks.StructBlock):
     )
     background_color = blocks.ChoiceBlock(
         label="Bakgrunnsfarge",
-        required=False,
+        required=True,
+        default="betongGray",
         choices=COLOR_CHOICES,
     )
     image_position = blocks.ChoiceBlock(
@@ -145,7 +147,7 @@ class FeaturedBlock(blocks.StructBlock):
         GraphQLString("link_text", required=True),
         GraphQLString("image_position", required=True),
         GraphQLImage("featured_image_override"),
-        GraphQLString("background_color", required=False),
+        GraphQLString("background_color", required=True),
         GraphQLPage("featured_page", required=True),
     ]