#12525 do not disable nodes table upon second activation in task editor

this page is only created in editors of new tasks, disabling this table leads to inability to walk back and change export type

plugins/org.jkiss.dbeaver.data.transfer.ui/src/org/jkiss/dbeaver/tools/transfer/ui/wizard/DataTransferPagePipes.java

@@ -223,11 +223,9 @@ class DataTransferPagePipes extends ActiveWizardPage<DataTransferWizard> {
 
     @Override
     public void activatePage() {
-        if (activated) {
+        if (activated && getWizard().getSettings().isPipeChangeRestricted()) {
             // Second activation - we need to disable any selectors
-            if (getWizard().getSettings().isPipeChangeRestricted() || getWizard().isTaskEditor()) {
-                nodesTable.getTable().setEnabled(false);
-            }
+            nodesTable.getTable().setEnabled(false);
             return;
         }
         activated = true;