Filip Gaľa

# Description feat: #554 #361 This PR enables users to create folder level documentation. Documentation can be saved with save hotkeys.  ### Contribution Checklist: - [x] **The pull request...

#3818: Fix target="." Doesn't Disambiguate Multiple Mappings

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Fixes #3818 The implementation checks whether parameter has specifically defined child elements. In case it does, error message `Several possible source properties for target property "%s".` is not thrown.