allow case-insensitive "none" for priorityClassName

Author: kalantar

charts/llm-d-modelservice/templates/_helpers.tpl

@@ -425,7 +425,7 @@ context is a pdSpec
   {{- if or .pdSpec.schedulerName .Values.schedulerName }}
   schedulerName: {{ .pdSpec.schedulerName | default .Values.schedulerName }}
   {{- end }}
-  {{- if and .pdSpec.priorityClassName (ne .pdSpec.priorityClassName "none") }}
+  {{- if and .pdSpec.priorityClassName (ne (.pdSpec.priorityClassName | lower) "none") }}
   priorityClassName: {{ .pdSpec.priorityClassName }}
   {{- end }}
   {{- /* DEPRECATED; use extraConfig.securityContext instead */ -}}