<fix>[account-import]: add progress for deleting ldap server

This patch is for zsv_4.10.28

Resolves: ZSV-6434
Related: ZSV-9610

Change-Id: I7763786570626f646a636b767577616a6e726172

Author: Zhang Wenhao

plugin/account-import/src/main/java/org/zstack/identity/imports/source/AbstractAccountSourceBase.java

@@ -842,6 +842,7 @@ public boolean skip(Map data) {
             @Override
             public void run(FlowTrigger trigger, Map data) {
                 new While<>(splitAccountLists())
+                        .enableProgressReport("cleaning-stale-accounts-for-deleting-account-source")
                         .each(this::cleanStaleAccounts)
                         .run(new WhileDoneCompletion(trigger) {
                     @Override