Fixes #10984: Fix navigation menu expansion for plugin menus comprising multiple words

netbox/extras/plugins/navigation.py

@@ -19,6 +19,10 @@ class PluginMenu:
         if icon_class is not None:
             self.icon_class = icon_class
 
+    @property
+    def name(self):
+        return self.label.replace(' ', '_')
+
 
 class PluginMenuItem:
     """

netbox/extras/tests/dummy_plugin/navigation.py

@@ -26,7 +26,7 @@ items = (
 )
 
 menu = PluginMenu(
-    label=_('Dummy'),
+    label=_('Dummy Plugin'),
     groups=(('Group 1', items),),
 )
 menu_items = items