Added identifier to dashboard

Enables to identify dashboards in configuration (say navigation bar)
without relying on the relative position of the dashboard

name.abuchen.portfolio.ui/src/name/abuchen/portfolio/ui/views/dashboard/DashboardView.java

@@ -8,6 +8,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.StringJoiner;
+import java.util.UUID;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -923,7 +924,7 @@ private void deleteColumn(Composite columnControl)
 
     private Dashboard createDefaultDashboard()
     {
-        Dashboard newDashboard = new Dashboard();
+        Dashboard newDashboard = new Dashboard(UUID.randomUUID().toString());
         newDashboard.setName(Messages.LabelDashboard);
 
         NewDashboardDialog.buildIndicatorDashboard(newDashboard);

name.abuchen.portfolio.ui/src/name/abuchen/portfolio/ui/views/dashboard/NewDashboardDialog.java

@@ -1,5 +1,7 @@
 package name.abuchen.portfolio.ui.views.dashboard;
 
+import java.util.UUID;
+
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionListener;
@@ -87,7 +89,7 @@ protected final Control createDialogArea(Composite parent)
 
     public Dashboard createDashboard()
     {
-        Dashboard newDashboard = new Dashboard();
+        Dashboard newDashboard = new Dashboard(UUID.randomUUID().toString());
         newDashboard.setName(selectedName);
 
         switch (selectedTemplate)

name.abuchen.portfolio/src/name/abuchen/portfolio/model/Client.java

@@ -29,7 +29,7 @@ public interface Properties // NOSONAR
         String WATCHLISTS = "watchlists"; //$NON-NLS-1$
     }
 
-    public static final int CURRENT_VERSION = 64;
+    public static final int CURRENT_VERSION = 65;
     public static final int VERSION_WITH_CURRENCY_SUPPORT = 29;
     public static final int VERSION_WITH_UNIQUE_FILTER_KEY = 57;