[2.2.0] Checkmk Werk 16403 created: Fix assert self._rulespec.item_name is not None

Title: Fix assert self._rulespec.item_name is not None Class: fix Compatible: compat Component: wato Date: 1707818900 Edition: cre Level: 1 Version: 2.2.0p23 A <code>rulespec</code> may have an <code>item_spec</code> without a title. In <a href="https://checkmk.com/werk/13387">Werk #13387</a> changed it so that if this title is missing the the following crash occurs. C+: assert self._rulespec.item_name is not None C-: The occured if one navigates to the parameters via <code>Parameters for this service</code> and clicks <code>Parameters</code>. It is now fixed.