fix: correct type inference for routes

[danielroe]

🔗 Linked issue

resolves nuxt/nuxt#14850, nuxt/nuxt#15116

❓ Type of change

• 🧹 Chore
• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

toMatchTypeOf can be misleading - this updates test for greater strictness. There are a few issues that appear in consequence; I'm marking PR as draft until we can fix them.

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

[codecov]

Codecov Report

Merging #518 (bc6ee25) into main (51dbe84) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     nuxt/framework#518      +/-   ##
==========================================
+ Coverage   66.21%   66.25%   +0.04%     
==========================================
  Files          56       56              
  Lines        4129     4134       +5     
  Branches      445      446       +1     
==========================================
+ Hits         2734     2739       +5     
  Misses       1391     1391              
  Partials        4        4              

Impacted Files	Coverage Δ
src/types/utils.ts	100.00% <100.00%> (ø)

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[pi0]

@danielroe Can you please fix merge conflict?