fix: endless affinity list when there's a DataPlaneAffinity

[cjc7373]

cherry-pick f8cc2d1 to 0.9

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 65.28%. Comparing base (c59de8c) to head (cf596ee).
Report is 50 commits behind head on release-0.9.

Files with missing lines	Patch %	Lines
pkg/controller/scheduling/scheduling_utils.go	66.66%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           release-0.9    #8138      +/-   ##
===============================================
+ Coverage        65.20%   65.28%   +0.07%     
===============================================
  Files              356      357       +1     
  Lines            44731    44862     +131     
===============================================
+ Hits             29169    29290     +121     
- Misses           12979    12981       +2     
- Partials          2583     2591       +8     

Flag	Coverage Δ
unittests	65.28% <66.66%> (+0.07%)	⬆️

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