fix: initialise imports.imports

[danielroe]

🔗 Linked issue

❓ Type of change

• 📖 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

apologies - a regression from #733 - see https://stackblitz.com/edit/nuxt-starter-basw97 for a reproduction.

📝 Checklist

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

[codecov]

Codecov Report

Merging #737 (f5692b2) into main (f08708d) will decrease coverage by 0.17%.
The diff coverage is 26.31%.

@@            Coverage Diff             @@
##             main     #737      +/-   ##
==========================================
- Coverage   66.91%   66.74%   -0.18%     
==========================================
  Files          57       57              
  Lines        4232     4249      +17     
  Branches      460      461       +1     
==========================================
+ Hits         2832     2836       +4     
- Misses       1397     1410      +13     
  Partials        3        3              

Impacted Files	Coverage Δ
src/options.ts	83.56% <26.31%> (-3.80%)	⬇️

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