[cherry-pick][202311] Show running config when bgp is down

[wen587]

cherry pick conflict for #3313

What I did

How I did it

How to verify it

• output of show run all before fix:

admin@bjw-can-7260-8:~$ show ver

SONiC Software Version: SONiC.20231110.10
...
admin@bjw-can-7260-8:~$ docker kill bgp
bgp
admin@bjw-can-7260-8:~$ show run all
Error response from daemon: Container 94f750dbed0fdd990bb34c302c52f0fe16ec34d2092d3ff754500fcc647744bf is not running

admin@bjw-can-7260-8:~$ 

• output of show run all after fix:

admin@bjw-can-7260-8:~$ docker kill bgp
bgp
admin@bjw-can-7260-8:~$ show run all | more
Error response from daemon: Container 94f750dbed0fdd990bb34c302c52f0fe16ec34d2092d3ff754500fcc647744bf is not running

{
    "ACL_TABLE": {
        "DATAACL": {
            "policy_desc": "DATAACL",
            "ports": [
                "PortChannel101",
                "PortChannel102",
                "PortChannel103",

Previous command output (if the output of a command-line utility has changed)

New command output (if the output of a command-line utility has changed)

[stephenxs]

@wen587 can you fix the ut failures?

[wen587]

@wen587 can you fix the ut failures?

Hi, I am waiting for master PR review.