[improvement] Restore node list skip filtering for unsupported node types

[tmikuska]

Set the intended skip list so external connectors and unmanaged switches are excluded from detailed node table rendering.

[coveralls]

Pull Request Test Coverage Report for Build 22543697435

Details

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.04%) to 75.802%

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Totals
Change from base Build 21750230040:	0.04%
Covered Lines:	1986
Relevant Lines:	2620

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💛 - Coveralls