[BUG] kbcli connect cluster with shardingSpecs panic

[JashBook]

Describe the bug A clear and concise description of what the bug is.

kbcli version
Kubernetes: v1.26.3
KubeBlocks: 0.8.2-beta.8
kbcli: 0.8.2-beta.1

To Reproduce Steps to reproduce the behavior:

1. create cluster with shardingSpecs

   apiVersion: apps.kubeblocks.io/v1alpha1
   kind: Cluster
   metadata:
   name: redis-chwmrc
   namespace: default
   spec:
   clusterDefinitionRef: redis
   clusterVersionRef: redis-7.0.6
   terminationPolicy: DoNotTerminate
   shardingSpecs:
   - name: shard
     shards: 3
     template:
       name: redis
       componentDef: redis-cluster
       replicas: 2
       resources:
         limits:
           cpu: 100m
           memory: 0.5Gi
         requests:
           cpu: 100m
           memory: 0.5Gi
       volumeClaimTemplates:
         - name: data
           spec:
             accessModes:
               - ReadWriteOnce
             resources:
                requests:
                 storage: 1Gi

   kubectl get cluster
   NAME           CLUSTER-DEFINITION   VERSION       TERMINATION-POLICY   STATUS    AGE
   redis-chwmrc   redis                redis-7.0.6   DoNotTerminate       Running   2m23s

2. See error

   
   kbcli cluster connect redis-chwmrc
   panic: runtime error: index out of range [0] with length 0

goroutine 1 [running]: github.com/apecloud/kbcli/pkg/cmd/cluster.(ConnectOptions).Complete(0x14000baa9c0) /home/runner/work/kbcli/kbcli/pkg/cmd/cluster/connect.go:242 +0x4b0 github.com/apecloud/kbcli/pkg/cmd/cluster.NewConnectCmd.func1(0x14000a68d00?, {0x140000809b0?, 0x1?, 0x1?}) /home/runner/work/kbcli/kbcli/pkg/cmd/cluster/connect.go:126 +0x34 github.com/spf13/cobra.(Command).execute(0x14000bcc600, {0x14000080820, 0x1, 0x1}) /home/runner/go/pkg/mod/github.com/spf13/cobra@v1.7.0/command.go:944 +0x654 github.com/spf13/cobra.(Command).ExecuteC(0x140011e4f00) /home/runner/go/pkg/mod/github.com/spf13/cobra@v1.7.0/command.go:1068 +0x320 github.com/spf13/cobra.(Command).Execute(...) /home/runner/go/pkg/mod/github.com/spf13/cobra@v1.7.0/command.go:992 k8s.io/component-base/cli.run(0x140011e4f00) /home/runner/go/pkg/mod/k8s.io/component-base@v0.28.2/cli/run.go:146 +0x264 k8s.io/component-base/cli.RunNoErrOutput(...) /home/runner/go/pkg/mod/k8s.io/component-base@v0.28.2/cli/run.go:84 main.main() /home/runner/work/kbcli/kbcli/cmd/cli/main.go:31 +0x20

**Expected behavior**
A clear and concise description of what you expected to happen.

**Screenshots**
If applicable, add screenshots to help explain your problem.

**Desktop (please complete the following information):**
 - OS: [e.g. iOS]
 - Browser [e.g. chrome, safari]
 - Version [e.g. 22]

**Additional context**
Add any other context about the problem here.

[github-actions[bot]]

This issue has been marked as stale because it has been open for 30 days with no activity

[Y-Rookie]

kbcli currently does not support the sharding API.