Compound order affects fitting of the layout

[hasanbalci]

Environment info

• Cytoscape.js version : It seems like it exists for a long time.
• Browser/Node.js & version : Google Chrome 87.0.4280.88 (32-bit version)

Current (buggy) behaviour

Assume that we have two nested compound nodes. If we give the parent one before the child in the node list while creating the graph, then layouts don't fit to the canvas when animate option is set to true or end (animation from the initial positions to the end positions). As far as I know, there is no condition on the order of giving nodes in Cytoscape.js.

I prepared a jsbin demo here to reproduce the bug using the random layout, but it also exists in other layouts such as cose, cose-bilkent and fcose etc. If you change the order of c1 and c2 nodes in the node array or set animate to false, then it starts to fit.

[stale]

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