replaced old swing dialog

Author: r0light

src/main/java/org/jabref/gui/desktop/JabRefDesktop.java

@@ -247,10 +247,9 @@ public static void openConsole(File file) throws IOException {
                 } catch (IOException exception) {
                     LOGGER.error("Open console", exception);
 
-                    JOptionPane.showMessageDialog(null,
-                                                  Localization.lang("Error occured while executing the command \"%0\".", commandLoggingText),
-                                                  Localization.lang("Open console") + " - " + Localization.lang("Error"),
-                                                  JOptionPane.ERROR_MESSAGE);
+                    JabRefGUI.getMainFrame().getDialogService().showErrorDialogAndWait(
+                            Localization.lang("Open console") + " - " + Localization.lang("Error",
+                            Localization.lang("Error occured while executing the command \"%0\".", commandLoggingText)));
                 }
             }
         }

src/main/java/org/jabref/gui/importer/actions/AppendDatabaseAction.java

@@ -166,7 +166,7 @@ public void action() {
             for (Path file : filesToOpen) {
                 // Run the actual open in a thread to prevent the program locking until the file is loaded.
                 BackgroundTask.wrap(() -> openIt(file, dialog.importEntries(), dialog.importStrings(), dialog.importGroups(), dialog.importSelectorWords()))
-                              .onSuccess(fileName -> { dialogService.notify(Localization.lang("Imported from library") + " '" + fileName + "'");})
+                              .onSuccess(fileName -> dialogService.notify(Localization.lang("Imported from library") + " '" + fileName + "'"))
                               .onFailure(exception -> {
                                   LOGGER.warn("Could not open database", exception);
                                   dialogService.showErrorDialogAndWait(Localization.lang("Open library"), exception);})