refactor(helm): Unified Naming Truncation and Bug Fixes (#8143)

* refactor(helm): add componentName helper for truncation

* fix(helm): unify ingress backend naming with truncation

* fix(helm): unify statefulset/deployment naming with truncation

* fix(helm): add missing labels to services for servicemonitor discovery

* chore(helm): secure secrets and add upgrade notes

* fix(helm): truncate context instead of suffix in componentName

* revert(docs): remove upgrade notes per feedback

* fix(helm): use componentName for COSI serviceAccountName

* helm: update master -ip to use component name for correct truncation

* helm: refactor masterServers helper to use truncated component names

* helm: update volume -ip to use component name and cleanup redundant printf

* helm: refine helpers with robustness check and updated docs

k8s/charts/seaweedfs/templates/sftp/sftp-deployment.yaml

@@ -171,7 +171,7 @@ spec:
               -key.file=/usr/local/share/ca-certificates/client/tls.key \
               {{- end }}
               -userStoreFile=/etc/sw/seaweedfs_sftp_config \
-              -filer={{ include "seaweedfs.fullname" . }}-filer-client.{{ .Release.Namespace }}:{{ .Values.filer.port }}
+              -filer={{ include "seaweedfs.componentName" (list . "filer-client") }}.{{ .Release.Namespace }}:{{ .Values.filer.port }}
           volumeMounts:
             {{- if or (eq .Values.sftp.logs.type "hostPath") (eq .Values.sftp.logs.type "emptyDir") }}
             - name: logs