This affects forceatlas etc -- nodes/edges are not hidden anymore but
really removed from the graph.

I.e. neighbor badges are clickable now.

Also, preliminary work done for selectorSize control.

Now opening one of them doesn't move the graph.

I.e. fresh graph loading was fixed (force atlas restarts correctly,
edges are hidden automatically).

By edge.weight and edge.confluence.

NodeSize range is set from graph data.
Search first draft.

Eg. unnecessary Maybe types removed.

As an example, this transforms the fetched graph and: hides nodes (via
the nodeSize state) and changes their colour (via selectedNodeIds).

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