Results fetching (ref cursors) - UI interaction fix

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/core/DBeaverUI.java

@@ -192,9 +192,8 @@ public class DBeaverUI implements DBPPlatformUI {
 
     public static Display getDisplay() {
         IWorkbench workbench = PlatformUI.getWorkbench();
-        IWorkbenchWindow window = workbench.getActiveWorkbenchWindow();
-        if (window != null) {
-            return window.getShell().getDisplay();
+        if (workbench != null) {
+            return workbench.getDisplay();
         } else {
             return Display.getDefault();
         }

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/controls/resultset/ResultSetJobDataRead.java

@@ -25,6 +25,7 @@ import org.eclipse.swt.widgets.Composite;
 import org.eclipse.ui.progress.UIJob;
 import org.jkiss.dbeaver.DBException;
 import org.jkiss.dbeaver.core.CoreMessages;
+import org.jkiss.dbeaver.core.DBeaverUI;
 import org.jkiss.dbeaver.model.data.DBDDataFilter;
 import org.jkiss.dbeaver.model.exec.DBCExecutionContext;
 import org.jkiss.dbeaver.model.exec.DBCExecutionPurpose;
@@ -129,7 +130,7 @@ class ResultSetJobDataRead extends ResultSetJobAbstract implements ILoadService<
         private ProgressLoaderVisualizer<Object> visualizer;
 
         public PumpVisualizer(ProgressLoaderVisualizer<Object> visualizer) {
-            super(progressControl.getDisplay(), "RSV Pump Visualizer");
+            super(DBeaverUI.getDisplay(), "RSV Pump Visualizer");
             setSystem(true);
             this.visualizer = visualizer;
         }