[Bug] Applying for a certificate: specifying the DNS resolver does not take effect in manual DNS mode

### Contact Information

_No response_

### 1Panel Version

v2.0.16

### Problem Description

手动 DNS 模式下申请证书时 指定 DNS 服务器不生效

### Steps to Reproduce

申请证书 选择手动 DNS 指定 DNS 服务器

### The expected correct result

_No response_

### Related log output

```shell

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### Additional Information

_No response_