chore: added changes as per AI review suggestion

Author: amardeep2006

charts/selenium-grid/templates/patch-keda/patch-keda-objects-job.yaml

@@ -45,6 +45,7 @@ spec:
         - name: {{ default $.Values.global.seleniumGrid.imagePullSecret $.Values.autoscaling.patchObjectFinalizers.imagePullSecret }}
     {{- end }}
       restartPolicy: Never
-      nodeSelector:
-        {{- toYaml $.Values.autoscaling.patchObjectFinalizers.nodeSelector | nindent 8 }}      
+    {{- with .Values.autoscaling.patchObjectFinalizers.nodeSelector }}
+      nodeSelector: {{- toYaml . | nindent 8 }}
+    {{- end }}
 {{- end }}