User metadata on one line

[fiskus]

• Rendered user metadata in packages list on one line. So, now it's almost identical to the User metadata in revisions list.
• Added option to put metadata on multiple lines

• Documentation
• Changelog entry (skip if change is not significant to end users, e.g. docs only)

[codecov]

Codecov Report

Merging #3284 (7ba4e4f) into master (e66b80f) will decrease coverage by 0.01%.
The diff coverage is 36.36%.

@@            Coverage Diff             @@
##           master    #3284      +/-   ##
==========================================
- Coverage   35.24%   35.24%   -0.01%     
==========================================
  Files         667      667              
  Lines       29283    29289       +6     
  Branches     4337     4343       +6     
==========================================
+ Hits        10320    10322       +2     
- Misses      17770    17774       +4     
  Partials     1193     1193              

Flag	Coverage Δ
api-python	90.79% <ø> (ø)
catalog	8.85% <36.36%> (+<0.01%)	⬆️
lambda	86.05% <ø> (ø)

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

Impacted Files	Coverage Δ
.../app/containers/Bucket/PackageList/PackageList.tsx	0.00% <0.00%> (ø)
...g/app/utils/BucketPreferences/BucketPreferences.ts	77.04% <66.66%> (-0.54%)	⬇️

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[fiskus]

Sorry, I forgot to add new key to JSON Schema