Fix Ajax.ajax_url_to_controller_action to handle function/object references

Fix VS Code extension installation on UNC paths

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/RSpade/Core/Js/Ajax.js

@@ -419,11 +419,23 @@ class Ajax {
     /**
      * Parses an AJAX URL into controller and action
      * Supports both /_ajax/ and /_/ URL prefixes
-     * @param {string} url - URL in format '/_ajax/Controller_Name/action_name' or '/_/Controller_Name/action_name'
+     * @param {string|object|function} url - URL in format '/_ajax/Controller_Name/action_name' or '/_/Controller_Name/action_name', or an object/function with a .path property
      * @returns {Object} Object with {controller: string, action: string}
      * @throws {Error} If URL doesn't start with /_ajax or /_ or has invalid structure
      */
     static ajax_url_to_controller_action(url) {
+        // If url is an object or function with a .path property, use that as the URL
+        if (url && typeof url === 'object' && url.path) {
+            url = url.path;
+        } else if (url && typeof url === 'function' && url.path) {
+            url = url.path;
+        }
+
+        // Validate url is a string
+        if (typeof url !== 'string') {
+            throw new Error(`URL must be a string or have a .path property, got: ${typeof url}`);
+        }
+
         if (!url.startsWith('/_ajax') && !url.startsWith('/_/')) {
             throw new Error(`URL must start with /_ajax or /_, got: ${url}`);
         }