[KV] NPE when used with WorkingDirectory

[fhussonnois]

Describe the issue

Exception:

2024-08-07 14:47:35,105 ERROR WorkerThread f.t.4.5DdLyga9C2RyAKgtlPGwYS Cannot invoke "io.kestra.core.services.KVStoreService.get(String, String, String)" because "this.kvStoreService" is null
java.lang.NullPointerException: Cannot invoke "io.kestra.core.services.KVStoreService.get(String, String, String)" because "this.kvStoreService" is null
	at io.kestra.core.runners.DefaultRunContext.namespaceKv(DefaultRunContext.java:441)
	at io.kestra.plugin.core.kv.Get.run(Get.java:78)
	at io.kestra.plugin.core.kv.Get.run(Get.java:23)
	at io.kestra.core.runners.WorkerTaskThread.doRun(WorkerTaskThread.java:76)
	at io.kestra.core.runners.AbstractWorkerThread.run(AbstractWorkerThread.java:57)

Flow

id: test
namespace: io.kestra
tasks:
  - id: WorkingDirectory
    type: io.kestra.plugin.core.flow.WorkingDirectory
    tasks:
      - id: set
        type: io.kestra.plugin.core.kv.Set
        key: my-key
        value: "{{ flow.id }} "

      - id: get
        type: io.kestra.plugin.core.kv.Get
        key: my-key

      - id: wprint
        type: io.kestra.plugin.core.log.Log
        message: "{{ outputs.get.value }}"

Environment

• Kestra Version: 0.18.0
• Operating System (OS/Docker/Kubernetes):
• Java Version (if you don't run kestra in Docker):