Update OptimizePdfRequest.java (#2720)

# Description

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

Closes #2417

## Checklist

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] 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/)
- [ ] 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/java/stirling/software/SPDF/model/api/misc/OptimizePdfRequest.java

@@ -26,7 +26,7 @@ public class OptimizePdfRequest extends PDFFile {
 
     @Schema(
             description =
-                    "Whether to normalize the PDF content for better compatibility. Default is true.",
-            defaultValue = "true")
-    private Boolean normalize = true;
+                    "Whether to normalize the PDF content for better compatibility. Default is false.",
+            defaultValue = "false")
+    private Boolean normalize = false;
 }