Fix TCF bridge widget click for Google Funding Choices (v1.3.1)

FC accepts the IAB __tcfapi('displayConsentUi', 2, …) command without
throwing but silently no-ops, which caused the previous order (IAB first,
FC-specific fallback second) to swallow the click. Reorder so that
googlefc.showRevocationMessage() is tried first whenever window.googlefc
is present, with the IAB call kept as the fallback for non-FC CMPs
(Sourcepoint, Didomi, etc).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

att-consent.php

@@ -3,7 +3,7 @@
  * Plugin Name: ATT Consent
  * Plugin URI:  https://github.com/att-consent/att-consent
  * Description: Google Consent Mode v2 cookie consent with session attribution preservation, custom script management, and full gtag.js/GTM support.
- * Version:     1.3.0
+ * Version:     1.3.1
  * Requires at least: 6.0
  * Requires PHP: 7.4
  * Author:      ATT Consent
@@ -18,7 +18,7 @@ if ( ! defined( 'ABSPATH' ) ) {
 	exit;
 }
 
-define( 'ATT_CC_VERSION', '1.3.0' );
+define( 'ATT_CC_VERSION', '1.3.1' );
 define( 'ATT_CC_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
 define( 'ATT_CC_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
 define( 'ATT_CC_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );