fix: add string trim for PrivValidatorListenAddr string

[jaeseung-bae]

Description

• (Audit issue) add TrimSpace for the string value of PrivValidatorListenAddr
  • Potential problem:
  • The configuration is utilized to ascertain the remote Key Management Service (KMS) through the PrivValidatorListenAddr, which is in string format loaded from the config TOML file. However, it currently lacks a space trim.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 66.54%. Comparing base (1279868) to head (3d05d06). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #768 +/- ## ========================================== + Coverage 66.52% 66.54% +0.01% ========================================== Files 285 285 Lines 37917 37917 ========================================== + Hits 25224 25231 +7 + Misses 10887 10885 -2 + Partials 1806 1801 -5 ``` | [Files](https://app.codecov.io/gh/Finschia/ostracon/pull/768?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia) | Coverage Δ | | |---|---|---| | [cmd/ostracon/commands/show\_validator.go](https://app.codecov.io/gh/Finschia/ostracon/pull/768?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia#diff-Y21kL29zdHJhY29uL2NvbW1hbmRzL3Nob3dfdmFsaWRhdG9yLmdv) | `72.72% <100.00%> (ø)` | | | [node/node.go](https://app.codecov.io/gh/Finschia/ostracon/pull/768?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia#diff-bm9kZS9ub2RlLmdv) | `61.49% <100.00%> (ø)` | | ... and [11 files with indirect coverage changes](https://app.codecov.io/gh/Finschia/ostracon/pull/768/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia)

[ulbqb]

https://github.com/Finschia/ostracon/blob/df661e931c14c6ec2332a931ce6a1092d0f8d812/cmd/ostracon/commands/show_validator.go#L29

Should this be fixed too?

[ulbqb]

Please add issue detail.

[jaeseung-bae]

https://github.com/Finschia/ostracon/blob/df661e931c14c6ec2332a931ce6a1092d0f8d812/cmd/ostracon/commands/show_validator.go#L29

Should this be fixed too?

It has been fixed(3d05d06bdb76f5b0e278930564f1a60be4060cec)