Support the List within List type in withParam

[sarabala1979]

Is this a BUG REPORT or FEATURE REQUEST?:
FEATURE REQUEST
What happened:
- name: test-java-wf-example steps: - - name: generate template: gen-name-list - - name: print template: print-name arguments: parameters: - name: seconds value: "{{item}}" withParam: "{{steps.generate.outputs.result}}"
Generate step will output list contains list. Print step need to take array as argument.
Received Error.
STEP PODNAME DURATION MESSAGE ✖ test-java-wf-5khgf withItems[0] expected string, number, or map. received: [Kooh0uSs7I lBuIdrV5jX l9eN5sfPJM] ├---✔ generate test-java-wf-5khgf-2805467061 7s