Fix generic component schema to unblock frontend changes to file browse feature

[kiersten-stokes]

This PR contains small changes to support elyra-ai/pipeline-editor#208.

Signed-off-by: Kiersten Stokes kierstenstokes@gmail.com

What changes were proposed in this pull request?

Change the generic component schema for file-based arrays (file dependencies and outputs) to the new format that the frontend is expecting.

Code sandbox to be added by @marthacryan

How was this pull request tested?

Tests passing

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[ajbozarth]

Just pushed an update to use the rc with all the pipeline changes, once we confirm CI passes this should be good to merge (we may need to update the CI tests though)

[marthacryan]

Updates include

• markdown in comments
• In file arrays, switch to having the "browse" button be next to the "add" button instead of having a "browse" button for each entry in the array. Also makes the entries in the file array editable.

[ptitzler]

Markdown support in comments is looking good.

[ptitzler]

Missing component error message rendering is looking better.

[ptitzler]

Browse button is looking good. We probably shouldn't render it for output files though, because it might lead to confusion:

By definition output files are produced when the node is executed. It appears that one cannot actually select a file (the file picker dialog shows up but selections are ignored), so this is more of a cosmetic usability issue.

[ptitzler]

LGTM!

[ptitzler]

@kiersten-stokes thanks for pushing that last minute change!