fix(server): properly parse multiple gas config(backport cosmos/cosmos-sdk#18537) (backport #1337)

[mergify[bot]]

Description

• fix for multiple gas parsing
  • cosmos/cosmos-sdk#18537

Motivation and context

How has this been tested?

Screenshots (if appropriate):

Checklist:

• [x] I followed the contributing guidelines and code of conduct.
• [x] I have added a relevant changelog to CHANGELOG.md
• [ ] I have added tests to cover my changes.
• [ ] I have updated the documentation accordingly.
• [ ] I have updated API documentation client/docs/swagger-ui/swagger.yaml

  ---

  This is an automatic backport of pull request #1337 done by Mergify.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 69.74%. Comparing base (f5275d7) to head (bd4426b).

Additional details and impacted files

[](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1343?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia) ```diff @@ Coverage Diff @@ ## release/v0.48.x #1343 +/- ## ================================================ Coverage 69.74% 69.74% ================================================ Files 646 646 Lines 67594 67589 -5 ================================================ + Hits 47141 47143 +2 + Misses 18264 18256 -8 - Partials 2189 2190 +1 ``` | [Files](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1343?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia) | Coverage Δ | | |---|---|---| | [server/config/toml.go](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1343?src=pr&el=tree&filepath=server%2Fconfig%2Ftoml.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia#diff-c2VydmVyL2NvbmZpZy90b21sLmdv) | `20.00% <ø> (ø)` | | | [server/config/config.go](https://app.codecov.io/gh/Finschia/finschia-sdk/pull/1343?src=pr&el=tree&filepath=server%2Fconfig%2Fconfig.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Finschia#diff-c2VydmVyL2NvbmZpZy9jb25maWcuZ28=) | `46.25% <33.33%> (+2.83%)` | :arrow_up: |