fix(traefik) Fix null pointer error, move ingressClass quote (#2685)

* Fix ingressClass quotes, add question description

* Update Chart.yaml

Co-authored-by: Kjeld Schouten-Lebbing <kjeld@schouten-lebbing.nl>

charts/core/traefik/Chart.yaml

@@ -22,7 +22,7 @@ sources:
 - https://github.com/traefik/traefik-helm-chart
 - https://traefik.io/
 type: application
-version: 11.3.1
+version: 11.3.2
 annotations:
   truecharts.org/catagories: |
     - network

charts/core/traefik/questions.yaml

@@ -112,6 +112,7 @@ questions:
       attrs:
         - variable: enabled
           label: "Enable"
+          description: "When enabled, ingressClass will match the entered name of this app"
           schema:
             type: boolean
             default: false

charts/core/traefik/templates/_args.tpl

@@ -64,7 +64,7 @@ args:
   {{- end }}
   {{- end }}
   {{- if .Values.ingressClass.enabled }}
-  - "--providers.kubernetesingress.ingressclass="{{ .Release.Name }}
+  - "--providers.kubernetesingress.ingressclass={{ .Release.Name }}"
   {{- end }}
   {{- range $entrypoint, $config := $ports }}
   {{/* add args for forwardedHeaders support */}}