fix: fix the button margin space

[stu01509]

Please answer these questions before submitting a pull request

• Why submit this pull request?

• Bugfix

• New feature provided

• Improve performance

• Backport patches

• Related issues
  Fix There have 2 buttons fit very close together #1602

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Bugfix

• Description
  Use and Space to add each button's margin, and remove inline margin style.

[juzhiyuan]

also cc @guoqqqi to take a look

[guoqqqi]

wait for #1608

[codecov-io]

Codecov Report

Merging #1604 (07fb5fe) into master (548bbe3) will increase coverage by 0.19%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1604      +/-   ##
==========================================
+ Coverage   71.05%   71.24%   +0.19%     
==========================================
  Files          47       47              
  Lines        3116     3116              
==========================================
+ Hits         2214     2220       +6     
+ Misses        658      653       -5     
+ Partials      244      243       -1     

Flag	Coverage Δ
backend-e2e-test	61.97% <ø> (+0.19%)	⬆️
backend-e2e-test-ginkgo	47.91% <ø> (ø)
backend-unit-test	51.81% <ø> (ø)

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

Impacted Files	Coverage Δ
api/internal/core/store/store.go	89.15% <0.00%> (+1.20%)	⬆️
api/internal/core/storage/etcd.go	47.27% <0.00%> (+3.63%)	⬆️

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[liuxiran]

LGTM expect a small detail:

It would be better to remove root dom <></>(https://github.com/apache/apisix-dashboard/pull/1604/files#diff-157cae0de0314d396c74fbb89c3f87b9b9c503826a29b3452e80d66a36a37120R63 and https://github.com/apache/apisix-dashboard/pull/1604/files#diff-157cae0de0314d396c74fbb89c3f87b9b9c503826a29b3452e80d66a36a37120R96), for <Space></Space> has already wrapped all the buttons.

[stu01509]

Hi @liuxiran

Update the commit.

[liuxiran]

Hi @liuxiran

Update the commit.

LGTM, be ci errors have been solved by #1638 , please try to update master to soluve it, thanks @stu01509