[Release-1.27] Wait for taint to be gone in the node before starting the netpol controller

[manuelbuil]

Backport: #9076
Issue: #9173

[codecov]

Codecov Report

Attention: 10 lines in your changes are missing coverage. Please review.

Comparison is base (2c249a3) 50.19% compared to head (8a636fe) 45.98%.
Report is 2 commits behind head on release-1.27.

Files	Patch %	Lines
pkg/agent/netpol/netpol.go	33.33%	8 Missing and 2 partials ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           release-1.27    #9176      +/-   ##
================================================
- Coverage         50.19%   45.98%   -4.21%     
================================================
  Files               148      148              
  Lines             15768    15817      +49     
================================================
- Hits               7914     7274     -640     
- Misses             6613     7388     +775     
+ Partials           1241     1155      -86     

Flag	Coverage Δ
e2etests	?
inttests	43.54% <33.33%> (-0.89%)	⬇️
unittests	18.41% <ø> (+0.01%)	⬆️

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