fix: style issue of the fullscreen button in Code input

[ruibaby]

What type of PR is this?

/area ui
/kind bug
/milestone 2.20.x

What this PR does / why we need it:

为 Code Input 设置默认高度，修复全屏按钮被遮挡的问题。

Which issue(s) this PR fixes:

Fixes #6681

Does this PR introduce a user-facing change?

为 Code Input 设置默认高度，修复全屏按钮被遮挡的问题。

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[guqing]

/lgtm

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.88%. Comparing base (5b2bdfd) to head (3fb7bd4).
Report is 42 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #6785      +/-   ##
============================================
- Coverage     58.00%   57.88%   -0.13%     
- Complexity     3977     4017      +40     
============================================
  Files           696      709      +13     
  Lines         23517    23851     +334     
  Branches       1567     1574       +7     
============================================
+ Hits          13641    13805     +164     
- Misses         9255     9424     +169     
- Partials        621      622       +1     

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[LIlGG]

/lgtm

[JohnNiang]

/approve

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JohnNiang

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• ui/OWNERS [JohnNiang]

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