Cleanups and making distinction between pro and enterprise (#3250)

# Description of Changes

Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)

---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] 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)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md#6-testing)
for more details.

---------

Co-authored-by: a <a>

src/main/resources/templates/adminSettings.html

@@ -34,10 +34,10 @@
               <!-- User Settings Title -->
 			<div style="background: var(--md-sys-color-outline-variant);padding: .8rem; margin: 10px 0; border-radius: 2rem; text-align: center;">
 			    <a href="#" 
-			       th:data-bs-toggle="${@runningEE && totalUsers >= maxEnterpriseUsers} ? null : 'modal'"
-			       th:data-bs-target="${@runningEE && totalUsers >= maxEnterpriseUsers} ? null : '#addUserModal'"
-			       th:class="${@runningEE && totalUsers >= maxEnterpriseUsers} ? 'btn btn-danger' : 'btn btn-outline-success'"
-			       th:title="${@runningEE && totalUsers >= maxEnterpriseUsers} ? #{adminUserSettings.maxUsersReached} : #{adminUserSettings.addUser}">
+			       th:data-bs-toggle="${@runningProOrHigher && totalUsers >= maxPaidUsers} ? null : 'modal'"
+			       th:data-bs-target="${@runningProOrHigher && totalUsers >= maxPaidUsers} ? null : '#addUserModal'"
+			       th:class="${@runningProOrHigher && totalUsers >= maxPaidUsers} ? 'btn btn-danger' : 'btn btn-outline-success'"
+			       th:title="${@runningProOrHigher && totalUsers >= maxPaidUsers} ? #{adminUserSettings.maxUsersReached} : #{adminUserSettings.addUser}">
 			        <span class="material-symbols-rounded">person_add</span>
 			        <span th:text="#{adminUserSettings.addUser}">Add New User</span>
 			    </a>
@@ -51,7 +51,7 @@
 			        <span th:text="#{adminUserSettings.changeUserRole}">Change User's Role</span>
 			    </a>
 			    
-			    <a href="/usage" 
+			    <a href="/usage" th:if="${@runningEE}"
 				   class="btn btn-outline-success" 
 				   th:title="#{adminUserSettings.usage}">
 				    <span class="material-symbols-rounded">analytics</span>
@@ -61,7 +61,7 @@
 			    <div class="my-4">
 			        <strong style="margin-left: 20px;" th:text="#{adminUserSettings.totalUsers}">Total Users:</strong> 
 			        <span th:text="${totalUsers}"></span> 
-			        <span th:if="${@runningEE}" th:text="'/'+${maxEnterpriseUsers}"></span>
+			        <span th:if="${@runningProOrHigher}" th:text="'/'+${maxPaidUsers}"></span>
 			        
 			        <strong style="margin-left: 20px;" th:text="#{adminUserSettings.activeUsers}">Active Users:</strong> 
 			        <span th:text="${activeUsers}"></span>
@@ -126,7 +126,7 @@
                   </tbody>
                 </table>
               </div>
-              <p th:if="${!@runningEE}" th:text="#{enterpriseEdition.ssoAdvert}"></p>
+              <p th:if="${!@runningProOrHigher}" th:text="#{enterpriseEdition.ssoAdvert}"></p>
 
               <script th:inline="javascript">
                 const delete_confirm_text = /*[[#{adminUserSettings.confirmDeleteUser}]]*/ 'Should the user be deleted?';

src/main/resources/templates/fragments/navbar.html

@@ -170,7 +170,7 @@
             </div>
           </li>
 
-          <li class="nav-item" th:if="${!@runningEE}">
+          <li class="nav-item" th:if="${!@runningProOrHigher}">
             <a href="https://stirlingpdf.com/pricing" class="nav-link go-pro-link" target="_blank"
               rel="noopener noreferrer">
               <span class="go-pro-badge" th:text="#{enterpriseEdition.button}"></span>

src/main/resources/templates/login.html

@@ -39,7 +39,7 @@
 
           document.addEventListener('DOMContentLoaded', function() {
 
-              const runningEE = /*[[${@runningEE}]]*/ false;
+              const runningProOrHigher = /*[[${@runningProOrHigher}]]*/ false;
               const SSOAutoLogin = /*[[${@SSOAutoLogin}]]*/ false;
               const loginMethod = /*[[${loginMethod}]]*/ 'normal';
               const providerList = /*[[${providerList}]]*/ {};
@@ -47,7 +47,7 @@
                   !hasLogout &&
                   !hasMessage &&
                   redirectAttempts < MAX_REDIRECT_ATTEMPTS &&
-                  loginMethod !== 'normal' && runningEE && SSOAutoLogin;
+                  loginMethod !== 'normal' && runningProOrHigher && SSOAutoLogin;
 
               console.log('Should redirect:', shouldAutoRedirect, {
                   'No error': !hasRedirectError,