fix #13861 The custom ForeColor set on PrintPreviewControl is not rendered correctly (#13863)

Fixes #13861 


## Proposed changes

- [pr #12368](#12368) is to fix
the High Contrast issue but omitted the case that a custom color is set.
- if ForeColor is set then use that color

<!-- 

## Regression? 

- Yes / No
 -->
## Risk

- low




## Screenshots 

### Before

<img width="297" height="446" alt="image"
src="https://github.com/user-attachments/assets/289be94d-f8d1-46bf-8d32-acb9539b61f0"
/>

### After

<img width="294" height="462" alt="image"
src="https://github.com/user-attachments/assets/73c20cd7-482c-48aa-9686-cc2a7825c793"
/>


## Test methodology 

- manual

Author: Epica3055

src/System.Windows.Forms/System/Windows/Forms/Printing/PrintPreviewControl.cs

@@ -592,7 +592,7 @@ private void CalculatePageInfo()
 
     private void DrawMessage(Graphics g, Rectangle rect, bool isExceptionPrinting)
     {
-        Color brushColor = SystemColors.ControlText;
+        Color brushColor = ShouldSerializeForeColor() ? ForeColor : SystemColors.ControlText;
         if (SystemInformation.HighContrast && Parent is Control parent)
         {
             brushColor = parent.BackColor;