fix: use sdk.config hdpath

[ghost]

Description

Other cosmos-sdk based chains cannot reset hdpath on running app testnet command.

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Author Checklist

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I have...

• included the correct type prefix in the PR title
• added ! to the type prefix if API or client breaking change
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• provided a link to the relevant issue or specification
• followed the guidelines for building modules
• included the necessary unit and integration tests
• added a changelog entry to CHANGELOG.md
• included comments for documenting Go code
• updated the relevant documentation or specification
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Reviewers Checklist

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your handle next to the items reviewed if you only reviewed selected items.

I have...

• confirmed the correct type prefix in the PR title
• confirmed ! in the type prefix if API or client breaking change
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• reviewed state machine logic
• reviewed API design and naming
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• reviewed tests and test coverage
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[fedekunze]

ACK, can you add a changelog entry?

[codecov]

Codecov Report

Merging #10414 (e6fd7a2) into master (b565069) will increase coverage by 0.28%.
The diff coverage is 100.00%.

❗ Current head e6fd7a2 differs from pull request most recent head 2b72741. Consider uploading reports for the commit 2b72741 to get more accurate results

@@            Coverage Diff             @@
##           master   #10414      +/-   ##
==========================================
+ Coverage   64.16%   64.44%   +0.28%     
==========================================
  Files         575      573       -2     
  Lines       54923    54649     -274     
==========================================
- Hits        35239    35220      -19     
+ Misses      17682    17430     -252     
+ Partials     2002     1999       -3     

Impacted Files	Coverage Δ
server/init.go	55.55% <100.00%> (ø)
crypto/keys/internal/ecdsa/privkey.go	82.45% <0.00%> (-1.76%)	⬇️
store/cachemulti/store.go	9.52% <0.00%> (-0.48%)	⬇️
crypto/keyring/legacy_info.go	61.95% <0.00%> (-0.41%)	⬇️
crypto/keyring/keyring.go	61.98% <0.00%> (-0.03%)	⬇️
baseapp/baseapp.go	67.11% <0.00%> (ø)
client/keys/rename.go	69.76% <0.00%> (ø)
crypto/keyring/types.go	100.00% <0.00%> (ø)
store/streaming/constructor.go
... and 5 more