disable spell check for anonymous users

these requests always fail

services/web/app/views/project/editor/editor.jade

@@ -24,7 +24,7 @@ div.full-size(
 			keybindings="settings.mode",
 			font-size="settings.fontSize",
 			auto-complete="settings.autoComplete",
-			spell-check="true",
+			spell-check="!anonymous",
 			spell-check-language="project.spellCheckLanguage",
 			highlights="onlineUserCursorHighlights[editor.open_doc_id]"
 			show-print-margin="false",