fix changes rolling back in child cluster

[lmxia]

Signed-off-by: lmxia xialingming@gmail.com

What type of PR is this?

kind/bug

What this PR does / why we need it:

When child clusters are running with syncMode Push/Dual, changes will not be rolled back as expected.

Which issue(s) this PR fixes:

Fixes #236
This is a follow up of #194

Special notes for your reviewer:

[codecov-commenter]

Codecov Report

Merging #242 (d2b4cfb) into main (cb31a7c) will increase coverage by 0.05%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #242      +/-   ##
==========================================
+ Coverage   10.46%   10.52%   +0.05%     
==========================================
  Files          39       39              
  Lines        4260     4267       +7     
==========================================
+ Hits          446      449       +3     
- Misses       3781     3786       +5     
+ Partials       33       32       -1     

Impacted Files	Coverage Δ
...ub.com/clusternet/clusternet/pkg/utils/deployer.go	3.52% <0.00%> (-0.05%)	⬇️
...ernet/clusternet/pkg/hub/apiserver/shadow/utils.go	100.00% <0.00%> (+10.71%)	⬆️

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