Fix: Thymeleaf syntax (/*[[...]]*/) (#2659)

# Description

Please provide a summary of the changes, including relevant motivation
and context.

Closes #(issue_number)

## Checklist

- [x] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [x] I have performed a self-review of my own code
- [ ] I have attached images of the change if it is UI based
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] If my code has heavily changed functionality I have updated
relevant docs on [Stirling-PDFs doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
- [x] My changes generate no new warnings
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

src/main/resources/static/js/fetch-utils.js

@@ -4,7 +4,7 @@ window.fetchWithCsrf = async function(url, options = {}) {
             .split('; ')
             .find(row => row.startsWith('XSRF-TOKEN='))
             ?.split('=')[1];
-        
+
         if (cookieValue) {
             return cookieValue;
         }
@@ -14,10 +14,10 @@ window.fetchWithCsrf = async function(url, options = {}) {
 
     // Create a new options object to avoid modifying the passed object
     const fetchOptions = { ...options };
-    
+
     // Ensure headers object exists
     fetchOptions.headers = { ...options.headers };
-    
+
     // Add CSRF token if available
     const csrfToken = getCsrfToken();
     if (csrfToken) {
@@ -25,4 +25,4 @@ window.fetchWithCsrf = async function(url, options = {}) {
     }
 
     return fetch(url, fetchOptions);
-}
+}