enhance(frontend): Split the name and username onto separate lines.

[Natsuki-Kaede]

What

Split the name and username onto separate lines.

Why

close #14667

Checklist

• Read the contribution guide
• Test working in a local environment
• (If needed) Add story of storybook
• (If needed) Update CHANGELOG.md
• (If possible) Add tests

[codecov]

Codecov Report

Attention: Patch coverage is 93.02326% with 3 lines in your changes missing coverage. Please review.

Project coverage is 19.54%. Comparing base (e9519b0) to head (96d4663).

Files with missing lines	Patch %	Lines
...ackages/frontend/src/components/MkNoteDetailed.vue	0.00%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           develop   #14668       +/-   ##
============================================
- Coverage    41.40%   19.54%   -21.87%     
============================================
  Files         1549      716      -833     
  Lines       199468   101516    -97952     
  Branches      3623      987     -2636     
============================================
- Hits         82595    19840    -62755     
+ Misses      116276    81130    -35146     
+ Partials       597      546       -51     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[Natsuki-Kaede]

Ummm sorry I'll create another cleaner one