Incorrect output for the members
Configuration:
```
set firewall group address-group FOO address '203.0.113.1'
set firewall group address-group FOO address '203.0.113.3'
set firewall group address-group FOO address '203.0.113.4'
set firewall group address-group FOO address '203.0.113.5'
set firewall group address-group FOO address '203.0.113.6'
set firewall group address-group FOO address '203.0.113.7'
set firewall group address-group FOO address '203.0.113.8'
set firewall group address-group FOO address '203.0.113.9'
set firewall group address-group FOO address '203.0.113.10'
set firewall group address-group FOO address '203.0.113.11'
set firewall group address-group FOO address '203.0.113.12'
set firewall group address-group FOO address '203.0.113.13'
set firewall group address-group FOO address '203.0.113.14'
set firewall group address-group FOO address '203.0.113.15'
set firewall group address-group FOO address '203.0.113.16'
set firewall group address-group FOO address '203.0.113.17'
set firewall group address-group FOO address '203.0.113.18'
set firewall group address-group FOO address '203.0.113.19'
set firewall group address-group FOO address '203.0.113.20'
set firewall group address-group FOO address '203.0.113.99'
set firewall group address-group FOO address '203.0.113.125'
set firewall group address-group FOO address '203.0.113.255'
set firewall group address-group FOO address '203.0.113.254'
set firewall group address-group FOO address '203.0.113.0'
set firewall group address-group FOO2 address '203.0.113.3'
```
Show:
```
vyos@r11-roll:~$ show firewall group
Firewall Groups
Name Type References Members
------ ------------- ------------ ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
FOO address_group 203.0.113.1, 203.0.113.3, 203.0.113.4, 203.0.113.5, 203.0.113.6, 203.0.113.7, 203.0.113.8, 203.0.113.9, 203.0.113.10, 203.0.113.11, 203.0.113.12, 203.0.113.13, 203.0.113.14, 203.0.113.15, 203.0.113.16, 203.0.113.17, 203.0.113.18, 203.0.113.19, 203.0.113.20, 203.0.113.99, 203.0.113.125, 203.0.113.255, 203.0.113.254, 203.0.113.0
FOO2 address_group 203.0.113.3
vyos@r11-roll:~$
```
Expected addresses undes `members`