[BUG]install release ob-ce failed: both value and valueFrom are specified for component var: MANAGER_PORT

[tianyue86]

Describe the env
Kubernetes: v1.31.1-aliyun.1
KubeBlocks: 1.0.0-beta.19
kbcli: 1.0.0-beta.7

To Reproduce
Steps to reproduce the behavior:

1. Install release "kb-addon-oceanbase-ce"

helm upgrade -i kb-addon-oceanbase-ce kubeblocks-addons/oceanbase-ce --version 1.0.0-alpha.0 -n kb-system
kbcli addon install oceanbase-ce  --version 1.0.0-alpha.0

2. Check status
   k get cmpd|grep ocean
   oceanbase-ce-1.0.0-alpha.0 oceanbase-ce Unavailable 112s
3. See error

k describe cmpd oceanbase-ce-1.0.0-alpha.0

Status:
  Message:              both value and valueFrom are specified for component var: MANAGER_PORT
  Observed Generation:  2
  Phase:                Unavailable
Events:                 <none>

Expected behavior
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