fix local dns proxy.

[cybwan]

Description:
fix local dns proxy.

Testing done:
Done

Affected area:

Functional Area
New Functionality	[ ]
CI System	[ ]
CLI Tool	[ ]
Certificate Management	[ ]
Control Plane	[ ]
Demo	[ ]
Documentation	[ ]
Egress	[ ]
Ingress	[ ]
Install	[ ]
Networking	[ ]
Observability	[ ]
Performance	[ ]
SMI Policy	[ ]
Security	[ ]
Sidecar Injection	[ ]
Tests	[ ]
Upgrade	[ ]
Other	[X]

Please answer the following questions with yes/no.

1. Does this change contain code from or inspired by another project? no

2. Is this a breaking change? no

3. Has documentation corresponding to this change been updated in the fsm-docs repo (if applicable)? no

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 55 lines in your changes missing coverage. Please review.

Please upload report for BASE (release/v1.4@0b44bf5). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
pkg/dns/handler.go	0.00%	34 Missing ⚠️
pkg/k8s/mock_controller_generated.go	0.00%	8 Missing ⚠️
pkg/k8s/client.go	0.00%	6 Missing ⚠️
pkg/dns/resolver.go	0.00%	2 Missing ⚠️
pkg/dns/server.go	0.00%	2 Missing ⚠️
pkg/sidecar/providers/pipy/repo/jobs.go	0.00%	2 Missing ⚠️
cmd/fsm-controller/fsm-controller.go	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@               Coverage Diff               @@
##             release/v1.4     #467   +/-   ##
===============================================
  Coverage                ?   14.19%           
===============================================
  Files                   ?      820           
  Lines                   ?    65225           
  Branches                ?        0           
===============================================
  Hits                    ?     9256           
  Misses                  ?    55794           
  Partials                ?      175           

Flag	Coverage Δ
unittests	14.19% <0.00%> (?)

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