replace '\n' by ',' in order to avoid wrong import of exported TSV into a spreadsheet

SVN: 13446

rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/client/application/ProteinByExperimentBrowserGrid.java

@@ -139,7 +139,7 @@ class ProteinByExperimentBrowserGrid extends AbstractSimpleBrowserGrid<ProteinIn
                 for (Treatment treatment : treatments)
                 {
                     header += delim + treatment;
-                    delim = "\n";
+                    delim = ", ";
                     properties.put(treatment.getTypeCode(), treatment.getValue());
                 }
             }