Werk #16692: inventory_primekey: do not crash upon empty node ID

Component	Checks & agents
Title	inventory_primekey: do not crash upon empty node ID
Date	Apr 20, 2024
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.4.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.3.0 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

To the list of all Werks