New icon feature for Moodle 4

Signed-off-by: rezeau <[email protected]>

Author: rezeau

lib.php

@@ -53,7 +53,8 @@ function questionnaire_supports($feature) {
             return true;
         case FEATURE_SHOW_DESCRIPTION:
             return true;
-
+        case FEATURE_MOD_PURPOSE:
+            return MOD_PURPOSE_COMMUNICATION;
         default:
             return null;
     }