Update array node map task to support an additional plugin

[pvditt]

Tracking issue

closes: https://linear.app/unionai/issue/COR-2239/add-additional-dataexecution-modes-for-array-node

Why are the changes needed?

start to add support for array node map task to run additional plugins (ie actors)

need to merge flyteorg/flyte#6018 in before merging this

What changes were proposed in this pull request?

• set is_original_sub_node_interface to clean up array node compilation
• set array node map task to utilize full state storage for actors
• fix bug in get_custom that is used as part of the task template for the subtask (no need to set array node/parent level metadata for the subtask)

How was this patch tested?

• added unit test

Setup process

Screenshots

Check all the applicable boxes

• I updated the documentation accordingly.
• All new and existing tests passed.
• All commits are signed-off.

Related PRs

Docs link

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 8 lines in your changes missing coverage. Please review.

Project coverage is 46.65%. Comparing base (fdb7676) to head (6149e2b).

Files with missing lines	Patch %	Lines
flytekit/core/array_node_map_task.py	45.45%	6 Missing ⚠️
flytekit/core/array_node.py	66.66%	1 Missing ⚠️
flytekit/models/core/workflow.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2934      +/-   ##
==========================================
- Coverage   51.25%   46.65%   -4.60%     
==========================================
  Files         200      200              
  Lines       20835    20849      +14     
  Branches     2688     2689       +1     
==========================================
- Hits        10678     9728     -950     
- Misses       9559    10644    +1085     
+ Partials      598      477     -121     

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