feat(datasets): add dataset edit UI and dataset metadata on create (#4005)

* refactor to do edits on datasets table

* add metadata for create and edit flows, fix table refetch after creating a new dataset

* cleanup

* refactor to make a single datasetform with wrappers

* add code editor form wrapper to apply appropriate form styles for code editor components

* update import

* remove unused style, add field into code block form wrapper

* remove clsx

* properly plumb through validation state

* update mutation name

* add descriptions

* rename