Merge branch 'cherry-pick-ea6a9dedb2-master' into 'master'

Sweeping !14461 from 21.0 to master.
ART Egamma: Fixing duplicated name in efficiency histogram

See merge request atlas/athena!14515

Reconstruction/egamma/egammaValidation/src/EgammaMonitoring.cxx

@@ -594,7 +594,7 @@ StatusCode EgammaMonitoring::finalize() {
     egammaMonitoring::EfficiencyPlot truthPhotonConvRecoUnconvEfficiency("truthPhotonConvRecoUnconvEfficiency", "/MONITORING/truthPhotonConvRecoUnconvEfficiency/", rootHistSvc );
     ATH_CHECK(truthPhotonConvRecoUnconvEfficiency.divide(truthPhotonConvRecoUnconv, truthPhotonConvPhoton));
     egammaMonitoring::EfficiencyPlot truthPhotonUnconvRecoUnconvEfficiency("truthPhotonUnconvRecoUnconvEfficiency", "/MONITORING/truthPhotonUnconvRecoUnconvEfficiency/", rootHistSvc );
-    ATH_CHECK(truthPhotonConvRecoUnconvEfficiency.divide(truthPhotonUnconvRecoUnconv, truthPhotonUnconvPhoton));
+    ATH_CHECK(truthPhotonUnconvRecoUnconvEfficiency.divide(truthPhotonUnconvRecoUnconv, truthPhotonUnconvPhoton));
     egammaMonitoring::EfficiencyPlot truthPhotonRecoConvEfficiency("truthPhotonRecoConvEfficiency", "/MONITORING/truthPhotonRecoConvEfficiency/", rootHistSvc );
     ATH_CHECK(truthPhotonRecoConvEfficiency.divide(truthPhotonConvRecoConv, truthPhotonRecoPhoton));
     egammaMonitoring::EfficiencyPlot truthPhotonRecoUnconvEfficiency("truthPhotonRecoUnconvEfficiency", "/MONITORING/truthPhotonRecoUnconvEfficiency/", rootHistSvc );