Changes to Task Group shutdown_delay not reflected in job plan output

[drewbailey]

Nomad version

Nomad v0.11.0-dev (e31695b+CHANGES)

Issue

When adding, removing, or modifying a task group shutdown_delay, the changes are not reflected in the job plan output

+/- Job: "delay"
+/- Task Group: "api" (1 in-place update)
  Task: "dashboard"
  Task: "web"

Scheduler dry-run:
- All tasks successfully allocated.

Job Modify Index: 10
To submit the job with version verification run:

Reproduction steps

Job file (if appropriate)

job "delay" {
  datacenters = ["dc1"]

  group "api" {
    shutdown_delay = "30s"

    meta {
      foo = "bar"
    }

    service {
      tags = ["group"]
    }

    spread {
      attribute = "${node.datacenter}"

      target "dc1" {
        percent = 100
      }
    }

    task "web" {
      driver = "docker"

      config {
        image = "hashicorpnomad/counter-api:v1"
      }
      service {
        tags = ["awesome"]
      }
    }

    task "dashboard" {
      driver = "docker"

      env {
        COUNTING_SERVICE_URL = "http://${NOMAD_UPSTREAM_ADDR_count_api}"
      }

      config {
        image = "hashicorpnomad/counter-dashboard:v1"
      }

      service {
        tags = ["dashboard-service"]
      }
    }
  }
}

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