Fix favicon: strip #joomlaImage:// fragment from media field path

Joomla's media field appends #joomlaImage://local-images/... to the
path. strtok($path, '#') strips everything after the hash.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/index.php

@@ -75,7 +75,8 @@ if ($params_favicon_source) {
     //   'images/logo.png'                                    (images folder)
     //   'media/templates/site/mokocassiopeia/images/logo.png' (template media)
     //   'logo.png'                                            (bare filename)
-    $faviconSourceRel = ltrim($params_favicon_source, '/');
+    // Strip Joomla's #joomlaImage:// fragment from media field value
+    $faviconSourceRel = strtok(ltrim($params_favicon_source, '/'), '#');
     $faviconSourceAbs = JPATH_ROOT . '/' . $faviconSourceRel;
     // Try common prefixes if not found
     if (!is_file($faviconSourceAbs)) {