Fix finish button enablement in CardDialog

Author: mikekucera

EnrichmentMapPlugin/src/main/java/org/baderlab/csplugins/enrichmentmap/view/util/CardDialog.java

@@ -199,7 +199,7 @@ private JPanel createChooserPanel(List<CardDialogPage> pages) {
 	private JPanel createButtonPanel() {
 		finishButton = new JButton(new AbstractAction(params.getFinishButtonText()) {
 			public void actionPerformed(ActionEvent e) {
-				finishButton.setEnabled(false);
+				finishButton.setEnabled(false); // prevent clicking the button twice quickly
 				currentPage.finish();
 			}
 		});
@@ -247,6 +247,7 @@ public Task getCloseTask() {
 			return new AbstractTask() {
 				@Override
 				public void run(TaskMonitor taskMonitor) throws Exception {
+					finishButton.setEnabled(true); // because the finishButton listener disables the Finish button
 					close();
 				}
 			};