Refactor examples so they accept data in the same format as is returned by function, rename `.as_example()` to `.process_example()` (#6933)
* image-editor-examples
* add changeset
* add changeset
* delete changeset
* change to process_example()
* add changeset
* changes for all components until dataset.py
* rename
* fix checkboxgroup
* format
* changes
* add changeset
* changes
* add changeset
* radio
* add changeset
* changes
* add changeset
* changes
* examples
* remove print
* fix
* clean
* add changeset
* fix tests
* fix tests
* fix test
* fix
* add changeset
* fix video example
* add changeset
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