[Feature Request] Improve the ability to visualize dense graphs

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

1.6.0

**Is your feature request related to a problem? Please describe.**

In order to see more of a graph, it would be nice if the Explorer supported a full screen mode. This alone would not fully improve the experience however. Additional improvements for how the visualizations are laid out will also be helpful. I want to be able to explore a dense graph (like air-routes where many nodes have a few hundred adjacent neighbors). This would be a lot easier if there were better ways to go full screen, pan, zoom, and space out the layouts (edge length and springiness etc.). Additionally, the current palette of available layouts is limiting for many use cases.

Related a "power user" mode that exposes the physics engine settings for each layout would be very useful so that a user has more control over things.