🐛 set empty nodeselect to nil

[zhiweiyin318]

Summary

the operator pod is pending because these fields are append to the deployment when nodeSelector is empty.

     nodeSelector:
        nodeSelectorTerms: ""

set nodeSelector to pointer, the fields will not be initialised if empty.

Related issue(s)

Fixes #

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.79%. Comparing base (970a1a2) to head (a98ee3e).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #799      +/-   ##
==========================================
+ Coverage   63.78%   63.79%   +0.01%     
==========================================
  Files         192      192              
  Lines       18638    18638              
==========================================
+ Hits        11888    11891       +3     
+ Misses       5771     5769       -2     
+ Partials      979      978       -1     

Flag	Coverage Δ
unit	63.79% <ø> (+0.01%)	⬆️

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[qiujian16]

/approve
/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: qiujian16, zhiweiyin318

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