pixel changes, redact color fix, version bump, aggressive compression (#3502)

# 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.

src/main/java/stirling/software/SPDF/controller/api/security/RedactController.java

@@ -170,16 +170,17 @@ public class RedactController {
     }
 
     private Color decodeOrDefault(String hex, Color defaultColor) {
-        Color color = null;
         try {
-            color = Color.decode(hex);
+            if (hex != null && !hex.startsWith("#")) {
+                hex = "#" + hex;
+            }
+            return Color.decode(hex);
         } catch (Exception e) {
-            color = defaultColor;
+            return defaultColor;
         }
-
-        return color;
     }
 
+
     private List<Integer> getPageNumbers(ManualRedactPdfRequest request, int pagesCount) {
         String pageNumbersInput = request.getPageNumbers();
         String[] parsedPageNumbers =