LPD-33132 Get values without splitting by default separator (comma) b…

…ecause we don't need to split it since we already have it separated

modules/apps/message-boards/message-boards-web/src/main/java/com/liferay/message/boards/web/internal/portlet/action/EditMessageMVCActionCommand.java

@@ -413,7 +413,7 @@ private List<FileEntry> _populateInputStreamOVPs(
 			WebKeys.THEME_DISPLAY);
 
 		String[] selectedFileNames = ParamUtil.getParameterValues(
-			actionRequest, "selectUploadedFile");
+			actionRequest, "selectUploadedFile", new String[0], false);
 
 		List<FileEntry> tempFileEntries = new ArrayList<>(
 			selectedFileNames.length);