Settings display demo and login fix (#4884)

# Description of Changes
<img width="1569" height="980" alt="image"
src="https://github.com/user-attachments/assets/dca1c227-ed84-4393-97a1-e3ce6eb1620b"
/>

<img width="1596" height="935" alt="image"
src="https://github.com/user-attachments/assets/2003e1be-034a-4cbb-869e-6d5d912ab61d"
/>

<img width="1543" height="997" alt="image"
src="https://github.com/user-attachments/assets/fe0c4f4b-eeee-4db4-a041-e554f350255a"
/>


---

## 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/devGuide/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/devGuide/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/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### Translations (if applicable)

- [ ] I ran
[`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md)

### 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/devGuide/DeveloperGuide.md#6-testing)
for more details.

app/common/src/main/java/stirling/software/common/model/ApplicationProperties.java

@@ -505,10 +505,19 @@ public class ApplicationProperties {
     public static class Ui {
         private String appNameNavbar;
         private List<String> languages;
+        private String logoStyle = "classic"; // Options: "classic" (default) or "modern"
 
         public String getAppNameNavbar() {
             return appNameNavbar != null && !appNameNavbar.trim().isEmpty() ? appNameNavbar : null;
         }
+
+        public String getLogoStyle() {
+            // Validate and return either "modern" or "classic"
+            if ("modern".equalsIgnoreCase(logoStyle)) {
+                return "modern";
+            }
+            return "classic"; // default
+        }
     }
 
     @Data

app/common/src/main/java/stirling/software/common/util/RequestUriUtils.java

@@ -75,6 +75,9 @@ public class RequestUriUtils {
                 || trimmedUri.startsWith("/api/v1/auth/login")
                 || trimmedUri.startsWith("/api/v1/auth/refresh")
                 || trimmedUri.startsWith("/api/v1/auth/logout")
+                || trimmedUri.startsWith(
+                        "/api/v1/proprietary/ui-data/login") // Login page config (SSO providers +
+                // enableLogin)
                 || trimmedUri.startsWith("/v1/api-docs")
                 || trimmedUri.startsWith("/api/v1/invite/validate")
                 || trimmedUri.startsWith("/api/v1/invite/accept")