Use time.formats.alchemy.default for datetime view

[tvdeyen]

What is this pull request for?

Using nil as default format for I18n can lead to
unpredictable results. We have a default alchemy
time format, let's use that as default format for
ingredient datetime view.

Checklist

• I have followed Pull Request guidelines
• I have added a detailed description into each commit message
• I have added tests to cover this change

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.48%. Comparing base (b14d0bc) to head (52e804c).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3001   +/-   ##
=======================================
  Coverage   96.48%   96.48%           
=======================================
  Files         233      233           
  Lines        6308     6308           
=======================================
  Hits         6086     6086           
  Misses        222      222           

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