Resolve "Exporting is not comma-safe"

Closes #118 (closed)

src/main/java/nl/tudelft/tam/service/CSVService.java

@@ -151,7 +151,7 @@ public class CSVService {
 		CSVWriter writer = new CSVWriter(new FileWriter(
 				Path.of(directory.toString(), fileName).toFile()),
 				separator,
-				CSVWriter.NO_QUOTE_CHARACTER,
+				CSVWriter.DEFAULT_QUOTE_CHARACTER,
 				CSVWriter.DEFAULT_ESCAPE_CHARACTER,
 				CSVWriter.DEFAULT_LINE_END);
 		writer.writeAll(data);