ImportIBHandler: Use last saved dir to import IBKR XML files

Use existing CSV_IMPORT_PATH saved path ID to not introduce another one.
Previously, the open dialog started with some internal path to PP
executables, so using the same dir as CSV is good enough improvement.

name.abuchen.portfolio.ui/src/name/abuchen/portfolio/ui/handlers/ImportIBHandler.java

@@ -26,7 +26,9 @@
 import name.abuchen.portfolio.datatransfer.ibflex.IBFlexStatementExtractor;
 import name.abuchen.portfolio.model.Client;
 import name.abuchen.portfolio.ui.Messages;
+import name.abuchen.portfolio.ui.UIConstants;
 import name.abuchen.portfolio.ui.PortfolioPlugin;
+import name.abuchen.portfolio.ui.editor.FilePathHelper;
 import name.abuchen.portfolio.ui.editor.PortfolioPart;
 import name.abuchen.portfolio.ui.wizards.datatransfer.ImportExtractedItemsWizard;
 
@@ -63,11 +65,15 @@ private void runImport(MPart part, Shell shell, Client client)
         {
             Extractor extractor = new IBFlexStatementExtractor(client);
 
+            PortfolioPart portPart = (PortfolioPart) part.getObject();
+            FilePathHelper helper = new FilePathHelper(portPart, UIConstants.Preferences.CSV_IMPORT_PATH);
+
             FileDialog fileDialog = new FileDialog(shell, SWT.OPEN | SWT.MULTI);
             fileDialog.setText(extractor.getLabel());
             fileDialog.setFilterNames(
                             new String[] { MessageFormat.format("{0} ({1})", extractor.getLabel(), "*.xml") }); //$NON-NLS-1$ //$NON-NLS-2$
             fileDialog.setFilterExtensions(new String[] { "*.xml;*.XML" }); //$NON-NLS-1$
+            fileDialog.setFilterPath(helper.getPath());
             fileDialog.open();
 
             String[] filenames = fileDialog.getFileNames();
@@ -89,7 +95,7 @@ private void runImport(MPart part, Shell shell, Client client)
             if (!errors.isEmpty())
                 e.put(files.get(0).getFile(), errors);
 
-            IPreferenceStore preferences = ((PortfolioPart) part.getObject()).getPreferenceStore();
+            IPreferenceStore preferences = portPart.getPreferenceStore();
 
             ImportExtractedItemsWizard wizard = new ImportExtractedItemsWizard(client, preferences, result, e);
             Dialog dialog = new WizardDialog(Display.getDefault().getActiveShell(), wizard);