Build

Use existing server settings when creating the `ConfigSection` #218

Job	Run time
build	4m 14s
Check Links	39s
Integration tests for JupyterLab (3.6)	3m 13s
Integration tests for JupyterLab (4.0)	1m 40s
test_isolated	31s
Integration tests for Notebook	1m 59s
	12m 16s

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