* add copy data source
* add copy repo
* add copy logic to mock db
* add copy request interceptor
* add data type copy server data source
* add copy method to data type repo
* add data type copy entity action
* show copied notification
* update hasChildren flag
* use correct icon
* note
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Co-authored-by: Niels Lyngsø <niels.lyngso@gmail.com>
Co-authored-by: Niels Lyngsø <nsl@umbraco.dk>
