Add undocumented default user default settings.

lib/pleroma/web/mastodon_api/views/account_view.ex

@@ -32,7 +32,12 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do
       avatar: image,
       avatar_static: image,
       header: header,
-      header_static: header
+      header_static: header,
+      source: %{
+        note: "",
+        privacy: "public",
+        sensitive: "false"
+      }
     }
   end
 

test/web/mastodon_api/account_view_test.exs

@@ -22,7 +22,12 @@ defmodule Pleroma.Web.MastodonAPI.AccountViewTest do
       avatar: "https://placehold.it/48x48",
       avatar_static: "https://placehold.it/48x48",
       header: "https://placehold.it/700x335",
-      header_static: "https://placehold.it/700x335"
+      header_static: "https://placehold.it/700x335",
+      source: %{
+        note: "",
+        privacy: "public",
+        sensitive: "false"
+      }
     }
 
     assert expected == AccountView.render("account.json", %{user: user})