Wrap widget value in API format workflow

[huchenlei]

Ref: Comfy-Org/ComfyUI#7197

Wrap widget value in object to clearly distinguish between node connection. Note: the API format previously used will still be compatible after the change, but the API workflow format produced after the change won't be able to be used on previous ComfyUI versions.

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[AustinMroz]

This is disappointing to see. I have a (currently unreleased) project I've been working on that makes use of the ability for a widget to serialize to a link, but I consider that project rather frivolous and would not want it alone to impede development.

All the same, it seems awfully heavy handed to wrap all widget values to handle a rare edge case instead of allowing a widget that wants to serialize as a list to itself wrap using this introduced format.

[huchenlei]

This is disappointing to see. I have a (currently unreleased) project I've been working on that makes use of the ability for a widget to serialize to a link, but I consider that project rather frivolous and would not want it alone to impede development.

All the same, it seems awfully heavy handed to wrap all widget values to handle a rare edge case instead of allowing a widget that wants to serialize as a list to itself wrap using this introduced format.

Thinking again, probably the best approach here is to restrict the wrapping to array values for max compatibility. Thanks for pointing this out!