optimize: used unified context in controller

[xovoxy]

What type of PR is this?
/kind cleanup

What this PR does / why we need it:
I found that many methods in the controller did not use a unified context, so I optimized the methods in the controller that I saw. If you have any other additions, please let me know.

Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 15.74344% with 289 lines in your changes missing coverage. Please review.

Project coverage is 28.39%. Comparing base (789c29f) to head (38ee277).

Files	Patch %	Lines
.../controllers/multiclusterservice/mcs_controller.go	0.00%	41 Missing ⚠️
pkg/controllers/mcs/service_export_controller.go	0.00%	31 Missing ⚠️
...ontrollers/federatedhpa/federatedhpa_controller.go	0.00%	25 Missing ⚠️
...clusterservice/endpointslice_collect_controller.go	0.00%	22 Missing ⚠️
...controllers/unifiedauth/unified_auth_controller.go	9.52%	16 Missing and 3 partials ⚠️
...ers/binding/cluster_resource_binding_controller.go	0.00%	15 Missing ⚠️
pkg/controllers/execution/execution_controller.go	0.00%	14 Missing ⚠️
...lusterservice/endpointslice_dispatch_controller.go	0.00%	14 Missing ⚠️
...ependenciesdistributor/dependencies_distributor.go	6.66%	14 Missing ⚠️
pkg/controllers/mcs/service_import_controller.go	0.00%	13 Missing ⚠️
... and 21 more

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Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5298   +/-   ##
=======================================
  Coverage   28.38%   28.39%           
=======================================
  Files         632      632           
  Lines       43798    43801    +3     
=======================================
+ Hits        12434    12436    +2     
- Misses      30460    30461    +1     
  Partials      904      904           

Flag	Coverage Δ
unittests	28.39% <15.74%> (+<0.01%)	⬆️

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[XiShanYongYe-Chang]

Thanks~
lgtm
/cc @whitewindmills @chaunceyjiang

[chaunceyjiang]

/assign

[whitewindmills]

lgtm

[XiShanYongYe-Chang]

Hi @xovoxy, here is a conflict with the master branch, can you help fix it?

[chaunceyjiang]

Thanks~

/lgtm

[XiShanYongYe-Chang]

/approve

[karmada-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: XiShanYongYe-Chang

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