[CELEBORN-1532][HELM] Make helm charts more customizable

[ChenYi015]

What changes were proposed in this pull request?

• Add image.registry and rename imagePullSecrets to image.pullSecrets
• Rename masterReplicas/workerReplicas to master.replicas/worker.replicas
• Add master.labels/worker.labels
• Rename podAnnotations to master.annotations/worker.annotations
• Rename nodeSelector to master.nodeSelector/worker.nodeSelector
• Rename affinity.master/affinity.worker to master.affinity/worker.affinity
• Rename tolerations to master.tolerations/worker.tolerations
• Rename environments to master.env/worker.env
• Add master.envFrom/worker.envFrom
• Rename priorityClass.master/priorityClass.worker to master.priorityClass/worker.priorityClass
• Rename resources.master/resources.worker to master.resources/worker.resources
• Rename dnsPolicy to master.dnsPolicy/worker.dnsPolicy
• Rename hostNetwork to master.hostNetwork/worker.hostNetwork
• Rename service to master.service/worker.service
• Rename podMonitor to master.podMonitor/worker.podMonitor
• Rename securityContext to master.podSecurityContext/worker.podSecurityContext
• Add master.securityContext/worker.securityContext

Why are the changes needed?

• Make the Celeborn Helm charts more customizable and improve the maintenance.
• Unified the various configurations, all master/worker related configurations are prefixed with master/worker.

Does this PR introduce any user-facing change?

Yes.

How was this patch tested?

Locally test.

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