Add default for the max number of returned records displayed

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**Describe the solution you'd like**
Currently, the graph notebook displays all the results returned for a query. This is problematic if you return large result sets, as they will cause the notebook to run slow and/or crash due to resource constraints. We should add functionality to the notebook to only show the top N (maybe 1000) results. This option could be overridden using a flag like `--max-results X`.
If you wanted the complete results, you can still get them via the `--store-to` feature. We should also add a note at the bottom of the table and graph displays that says something like `Showing the first 1000 results of XX`