fix: failed test on jenkins testDeleteProgramWithMapView

[vietnguyen]

Issue

• Got below error on jenkins but couldn't reproduce on local. So attemp to flush the session and get back the entity, hope it will fix the issue, otherwise will have to remove the assertions.

testDeleteProgramWithMapView
[ERROR] Failures:
[ERROR]   ProgramServiceTest.testDeleteProgramWithMapView:167 expected: <null> but was: <{"class":"class org.hisp.dhis.program.ProgramStage", "hashCode":"1845823410", "id":"1730", "uid":"pgabcdefghA", "code":"null", "name":"ProgramStageA", "shortName":"null", "description":"descriptionA", "created":"Thu Jan 16 23:31:41 UTC 2025", "lastUpdated":"Thu Jan 16 23:31:41 UTC 2025" }>

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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