[Feature Request] Expand RDF triples as separate nodes and edges

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**Graph Explorer Version (and Graph Database and Version used if applicable)**
Any

**Is your feature request related to a problem? Please describe.**
RDF/SPARQL based graphs currently consolidate triples within a class into a node as properties. This potentially portrays the underlying graph as a property graph instead of RDF. Some users would like to be able to expand and view the shape of a class as predicates and objects instead of as properties within a node.

**Describe the solution you'd like**
An option to expand rdf triples as separate nodes and edges without consolidating the related triples as properties inside a node.

**Additional context**
An expected view of the graph would be similar to the [W3 rdf data visualization](https://www.w3.org/2018/09/rdf-data-viz/).