fix: preserve leading whitespace in PDF output using nbsp

Author: Martinrsts

packages/xl-pdf-exporter/src/pdf/pdfExporter.tsx

@@ -118,9 +118,10 @@ export class PDFExporter<
   public transformStyledText(styledText: StyledText<S>) {
     const stylesArray = this.mapStyles(styledText.styles);
     const styles = Object.assign({}, ...stylesArray);
+    const textWithNbsp = styledText.text.replace(/ /g, "\u00A0");
     return (
       <Text style={styles} key={styledText.text}>
-        {styledText.text}
+        {textWithNbsp}
       </Text>
     );
   }