Check /status before getting user details

[paskal]

Resolves #1188 at the cost of one extra /auth/status call for authorised users and replacing /API/v1/user call with /auth/status for unauthorised users.

[codecov]

Codecov Report

Attention: Patch coverage is 16.66667% with 5 lines in your changes are missing coverage. Please review.

Project coverage is 61.39%. Comparing base (e1173bb) to head (d432667).
Report is 9 commits behind head on master.

Files	Patch %	Lines
frontend/apps/remark42/app/common/api.ts	16.66%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1752      +/-   ##
==========================================
- Coverage   61.47%   61.39%   -0.09%     
==========================================
  Files         132      132              
  Lines        2998     3002       +4     
  Branches      715      716       +1     
==========================================
  Hits         1843     1843              
- Misses       1151     1155       +4     
  Partials        4        4              

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[github-actions]

size-limit report 📦

Path	Size
public/embed.mjs	2.03 KB (0%)
public/remark.mjs	73.47 KB (+0.03% 🔺)
public/remark.css	8.26 KB (+0.02% 🔺)
public/last-comments.mjs	35.72 KB (0%)
public/last-comments.css	3.75 KB (0%)
public/deleteme.mjs	12.09 KB (+0.16% 🔺)
public/counter.mjs	751 B (0%)