Fix undefined pk

[alexandrebodin]

Signed-off-by: Alexandre Bodin bodin.alex@gmail.com

Description of what you did:

bad column generated on startup for many way rels

fixes #8258

[codecov]

Codecov Report

Merging #8260 into master will increase coverage by 0.01%.
The diff coverage is 47.61%.

@@            Coverage Diff             @@
##           master    #8260      +/-   ##
==========================================
+ Coverage   33.02%   33.04%   +0.01%     
==========================================
  Files        1219     1219              
  Lines       13568    13573       +5     
  Branches     1348     1348              
==========================================
+ Hits         4481     4485       +4     
- Misses       8205     8206       +1     
  Partials      882      882              

Flag	Coverage Δ
#front	24.70% <ø> (ø)
#unit	54.13% <47.61%> (+0.03%)	⬆️

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

Impacted Files	Coverage Δ
...ugin-content-manager/controllers/ContentManager.js	21.67% <0.00%> (ø)
packages/strapi/lib/core-api/controller.js	28.26% <0.00%> (-1.29%)	⬇️
packages/strapi-utils/lib/logger.js	65.00% <42.85%> (-11.48%)	⬇️
...n/services/permission/permissions-manager/index.js	100.00% <100.00%> (ø)
packages/strapi/lib/core-api/service.js	72.72% <100.00%> (+8.28%)	⬆️
packages/strapi/lib/services/entity-service.js	48.78% <100.00%> (ø)

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[Convly]

LGTM, waiting for the tests