[release-1.35] Fix restart of control-plane-only nodes attempting to reconcile from local datastore

[brandond]

Proposed Changes

Fix restart of control-plane-only nodes attempting to reconcile from local datastore

Types of Changes

bugfix

Verification

See linked issue

Testing

Need to add a test for simultaneous restart of split-role clusters

Linked Issues

• restarting services on setup with split roles causes panic in the control plane node #13533

User-Facing Change

Further Comments

[codecov]

Codecov Report

❌ Patch coverage is 7.14286% with 13 lines in your changes missing coverage. Please review.
✅ Project coverage is 21.45%. Comparing base (312c238) to head (248268c).
⚠️ Report is 1 commits behind head on release-1.35.

Files with missing lines	Patch %	Lines
pkg/etcd/etcd.go	14.28%	3 Missing and 3 partials ⚠️
pkg/etcd/store/store.go	0.00%	5 Missing ⚠️
pkg/cluster/bootstrap.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           release-1.35   #13535      +/-   ##
================================================
- Coverage         21.47%   21.45%   -0.03%     
================================================
  Files               190      190              
  Lines             15480    15489       +9     
================================================
- Hits               3325     3323       -2     
- Misses            11702    11710       +8     
- Partials            453      456       +3     

Flag	Coverage Δ
unittests	21.45% <7.14%> (-0.03%)	⬇️

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