fix(vue-renderer): insert charset before title

[harlan-zw]

🔗 Linked issue

resolves #18936

❓ 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

Don't know too much about vue-meta internals but looks like this does what it needs to.

Not sure why this didn't break any tests, seems a bit weird...?

But testing it manually seems to have worked.

📝 Checklist

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

[codesandbox]

  Open in CodeSandbox Web Editor | VS Code | VS Code Insiders

[codecov-commenter]

Codecov Report

Base: 66.42% // Head: 66.25% // Decreases project coverage by -0.17% ⚠️

Coverage data is based on head (8247d6f) compared to base (49ea657).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##              2.x   #18998      +/-   ##
==========================================
- Coverage   66.42%   66.25%   -0.17%     
==========================================
  Files          93       93              
  Lines        4080     4090      +10     
  Branches     1154     1156       +2     
==========================================
  Hits         2710     2710              
- Misses       1107     1115       +8     
- Partials      263      265       +2     

Flag	Coverage Δ
unittests	66.25% <0.00%> (-0.17%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
packages/vue-renderer/src/renderers/spa.js	0.00% <0.00%> (ø)
packages/vue-renderer/src/renderers/ssr.js	0.00% <0.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.

[danielroe]

❤️