fix: handle multiple networks in 'podman inspect --type=all'

[bit-hope]

Steps to Reproduce：

1. Create multiple Podman networks:

podman network create net_1
podman network create net_2

2. Inspect with --type=all:

podman inspect --type=all net_1 net_2

3. Actual Result:

[
     {
          "name": "net_1",
          "id": "82e01d194062d42f8a8353f598f03bf9cb527a61ade9f5672a7a63176ccc72b3",
          "driver": "bridge",
          "network_interface": "podman1",
          "created": "2026-06-03T16:53:39.49571197+08:00",
          "subnets": [
               {
                    "subnet": "10.89.0.0/24",
                    "gateway": "10.89.0.1"
               }
          ],
          "ipv6_enabled": false,
          "internal": false,
          "dns_enabled": true,
          "ipam_options": {
               "driver": "host-local"
          },
          "containers": {}
     },
     {
          "name": "net_1",
          "id": "82e01d194062d42f8a8353f598f03bf9cb527a61ade9f5672a7a63176ccc72b3",
          "driver": "bridge",
          "network_interface": "podman1",
          "created": "2026-06-03T16:53:39.49571197+08:00",
          "subnets": [
               {
                    "subnet": "10.89.0.0/24",
                    "gateway": "10.89.0.1"
               }
          ],
          "ipv6_enabled": false,
          "internal": false,
          "dns_enabled": true,
          "ipam_options": {
               "driver": "host-local"
          },
          "containers": {}
     }
]

4. Expected Result:

[
    {
          "name": "net_1",
          "id": "82e01d194062d42f8a8353f598f03bf9cb527a61ade9f5672a7a63176ccc72b3",
          "driver": "bridge",
          "network_interface": "podman1",
          "created": "2026-06-03T16:53:39.49571197+08:00",
          "subnets": [
               {
                    "subnet": "10.89.0.0/24",
                    "gateway": "10.89.0.1"
               }
          ],
          "ipv6_enabled": false,
          "internal": false,
          "dns_enabled": true,
          "ipam_options": {
               "driver": "host-local"
          },
          "containers": {}
     },
     {
          "name": "net_2",
          "id": "249107cc06e598e2c3c27b0064d8acde5257d67a860f24e85d12512b9afa05ed",
          "driver": "bridge",
          "network_interface": "podman2",
          "created": "2026-06-03T16:53:40.983070804+08:00",
          "subnets": [
               {
                    "subnet": "10.89.1.0/24",
                    "gateway": "10.89.1.1"
               }
          ],
          "ipv6_enabled": false,
          "internal": false,
          "dns_enabled": true,
          "ipam_options": {
               "driver": "host-local"
          },
          "containers": {}
     }
]

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  for more information.
• Referenced issues using Fixes: #00000 in commit message (if applicable)
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Does this PR introduce a user-facing change?

None