Access FieldPlugin options from within validateContent

[henriksjodahl]

Describe the solution you'd like
I would like to be able to access FieldPlugin options from within the validateContent function.

The reason is i've got a plugin that selects objects, and i was thinking about having an option that states if it should be an single or multiselect. And if multiple, the validation creates an array, if single its just a string.

Describe alternatives you've considered
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Additional context
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[eunjae-lee]

Hi @henriksjodahl thanks for creating this issue. We will let you know once we get to work on this. (cannot provide the ETA yet, though)