server: partially fix grpc status (#4798)

[ti-chi-bot]

This is an automated cherry-pick of #4798

Signed-off-by: Ryan Leung rleungx@gmail.com

What problem does this PR solve?

Issue Number: Ref #4797.

What is changed and how it works?

This PR removes unnecessary withStack and partially fix the above issue.

Check List

Tests

• Unit test

Release note

Fix the issue that the status code of `not leader` is sometimes wrong 

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• JmPotato
• rleungx

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[codecov]

Codecov Report

Merging #5215 (f53503f) into release-5.2 (e792849) will decrease coverage by 0.04%.
The diff coverage is 25.00%.

@@               Coverage Diff               @@
##           release-5.2    #5215      +/-   ##
===============================================
- Coverage        74.93%   74.89%   -0.05%     
===============================================
  Files              249      249              
  Lines            25747    25747              
===============================================
- Hits             19294    19282      -12     
- Misses            4766     4774       +8     
- Partials          1687     1691       +4     

Flag	Coverage Δ
unittests	74.89% <25.00%> (-0.05%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
server/grpc_service.go	47.23% <25.00%> (ø)
pkg/tempurl/tempurl.go	45.00% <0.00%> (-15.00%)	⬇️
server/schedulers/random_merge.go	60.00% <0.00%> (-3.34%)	⬇️
pkg/dashboard/adapter/manager.go	79.78% <0.00%> (-3.20%)	⬇️
client/base_client.go	82.29% <0.00%> (-2.09%)	⬇️
server/schedule/operator_controller.go	83.56% <0.00%> (-1.99%)	⬇️
server/tso/allocator_manager.go	67.61% <0.00%> (-1.34%)	⬇️
server/tso/tso.go	67.21% <0.00%> (-1.10%)	⬇️
server/config/persist_options.go	91.53% <0.00%> (-0.77%)	⬇️
server/cluster/coordinator.go	72.25% <0.00%> (-0.68%)	⬇️
... and 7 more

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[rleungx]

/merge

[ti-chi-bot]

@rleungx: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

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[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: f53503f