Ensure that Collaboration Tools settings save callback can run during…

… portfolio creation.

Without the nonce, the save routine is not run, which means that
we can't be certain that all collaboration tools settings will be
switched to 'off'.

See #3248.

wp-content/themes/openlab/lib/group-funcs.php

@@ -1940,6 +1940,8 @@ function openlab_add_badge_button_to_profile() {
 	$group_type = ! empty( $_GET['type'] ) ? $_GET['type'] : null;
 
 	if ( 'portfolio' === $group_type ) {
+		// Necessary to ensure that the nulled collaboration tools settings are saved.
+		wp_nonce_field( 'openlab_collaboration_tools', 'openlab-collaboration-tools-nonce' );
 		return;
 	}