Apply fixes from StyleCI

[liu21st]

This pull request applies code style fixes from an analysis carried out by StyleCI.

---

For more information, click here.

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (5d13905) 12.28% compared to head (c30a382) 12.28%.

❗ Your organization is not using the GitHub App Integration. As a result you may experience degraded service beginning May 15th. Please install the Github App Integration for your organization. Read more.

Additional details and impacted files

@@            Coverage Diff            @@
##                3.0     #491   +/-   ##
=========================================
  Coverage     12.28%   12.28%           
  Complexity     2961     2961           
=========================================
  Files            64       64           
  Lines          7125     7125           
=========================================
  Hits            875      875           
  Misses         6250     6250           

Flag	Coverage Δ
unittests	12.28% <0.00%> (ø)

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

Files Changed	Coverage Δ
src/model/concern/Conversion.php	0.00% <0.00%> (ø)
src/model/concern/RelationShip.php	0.00% <ø> (ø)

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