Fix csrf (#2126)

* apply fix

* Fixes empty th:action

* Update build.gradle

* fix

* formatting

---------

Co-authored-by: Dimitrios Kaitantzidis <james_k23@hotmail.gr>

src/main/resources/templates/change-creds.html

@@ -27,7 +27,7 @@
 
               <!-- Change Username Form -->
               <h4 th:text="#{changeCreds.changePassword}">Change password</h4>
-              <form action="api/v1/user/change-password-on-login" method="post" id="formsavechangecreds">
+              <form th:action="@{'api/v1/user/change-password-on-login'}" method="post" id="formsavechangecreds">
                 <div class="mb-3">
                   <label for="currentPassword" th:text="#{changeCreds.oldPassword}">Old Password</label>
                   <input type="password" class="form-control" name="currentPassword" id="currentPassword" th:placeholder="#{changeCreds.oldPassword}">