enhance: opt picker time panel hover to show as placeholder

[zombieJ]

ref ant-design/ant-design#50288

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
picker	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 8, 2024 7:13am

[codecov]

Codecov Report

Attention: Patch coverage is 78.37838% with 8 lines in your changes missing coverage. Please review.

Project coverage is 95.16%. Comparing base (e2db7d2) to head (2c82e44).
Report is 6 commits behind head on master.

Files	Patch %	Lines
src/PickerPanel/TimePanel/TimePanelBody/index.tsx	81.25%	6 Missing ⚠️
...PickerPanel/TimePanel/TimePanelBody/TimeColumn.tsx	60.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #858      +/-   ##
==========================================
- Coverage   95.41%   95.16%   -0.25%     
==========================================
  Files          64       64              
  Lines        2680     2709      +29     
  Branches      727      757      +30     
==========================================
+ Hits         2557     2578      +21     
- Misses        120      128       +8     
  Partials        3        3              

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[shmdhussain]

This is causing issues when the component is used alone see this code sandbox:

you will see the errors in the console once you hover over the time panel column values.

Error screenshot: