T7260 Remove last firewall group member.

Author: RubenNL

changelogs/fragments/T7260-remove-last-firewall-group-member.yaml

@@ -0,0 +1,3 @@
+---
+trivial:
+  - vyos_firewall_global - Fix removing last member of a firewall group.

plugins/module_utils/network/vyos/config/firewall_global/firewall_global.py

@@ -438,6 +438,14 @@ def _render_ports_addrs(self, attr, w, h, opr, cmd, name, type):
                         + " "
                         + member[self._get_mem_type(type)],
                     )
+            elif not opr and not have:
+                commands.append(
+                    cmd
+                    + " "
+                    + name
+                    + " "
+                    + self._grp_type(type),
+                )
         return commands
 
     def _get_mem_type(self, group):