feat: migrate x/nft to use app wiring

[julienrbrt]

Description

Implements part of: #12038

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Author Checklist

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please add links to any relevant follow up issues.

I have...

• included the correct type prefix in the PR title
• added ! to the type prefix if API or client breaking change
• targeted the correct branch (see PR Targeting)
• 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
• reviewed "Files changed" and left comments if necessary
• confirmed all CI checks have passed

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
• confirmed all author checklist items have been addressed
• reviewed state machine logic
• reviewed API design and naming
• reviewed documentation is accurate
• reviewed tests and test coverage
• manually tested (if applicable)

[codecov]

Codecov Report

Merging #12126 (b4a5224) into main (7c4e4c1) will decrease coverage by 0.00%.
The diff coverage is 57.14%.

@@            Coverage Diff             @@
##             main   #12126      +/-   ##
==========================================
- Coverage   65.99%   65.99%   -0.01%     
==========================================
  Files         672      672              
  Lines       71066    71060       -6     
==========================================
- Hits        46901    46894       -7     
- Misses      21502    21503       +1     
  Partials     2663     2663              

Impacted Files	Coverage Δ
simapp/app.go	77.14% <57.14%> (-0.48%)	⬇️
crypto/keys/internal/ecdsa/privkey.go	81.13% <0.00%> (-1.89%)	⬇️