17169 FIX Also rename parents in folder properties

CMK-21232

Change-Id: I9d26cec7816550b4b9497ed592321793002d49fd

.werks/17169.md

@@ -0,0 +1,17 @@
+[//]: # (werk v2)
+# Also rename parents in folder properties
+
+key        | value
+---------- | ---
+date       | 2024-11-12T14:26:51+00:00
+version    | 2.3.0p21
+class      | fix
+edition    | cre
+component  | wato
+level      | 1
+compatible | yes
+
+If you renamed a host and a folder had this host as a parent in its properties,
+the host was not renamed in the folder properties.
+
+This has been fixed.

cmk/gui/watolib/hosts_and_folders.py

@@ -2590,6 +2590,7 @@ def rename_parent(self, oldname, newname):
         if not changed:
             return False
 
+        self.attributes["parents"] = [HostName(h) for h in new_parents]
         add_change(
             "rename-parent",
             _l('Renamed parent from %s to %s in folder "%s"')