fix(data-picker):make n-date-panel-date fill all area of all demos

[whale2002]

I found that this was not fully resolved. #2552
and this is your commit ec95462
It seems that only the first demo was fixed, and others remain.
Or maybe there are other reasons I don't know about， I am not sure.
https://www.naiveui.com/zh-CN/os-theme/components/date-picker

[codecov]

Codecov Report

Merging #2580 (67ec0bf) into main (8302dad) will increase coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #2580      +/-   ##
==========================================
+ Coverage   63.32%   63.35%   +0.03%     
==========================================
  Files         954      954              
  Lines       19542    19546       +4     
  Branches     5039     5040       +1     
==========================================
+ Hits        12374    12384      +10     
+ Misses       5864     5856       -8     
- Partials     1304     1306       +2     

Impacted Files	Coverage Δ
src/date-picker/src/panel/daterange.tsx	61.53% <ø> (ø)
src/date-picker/src/panel/datetime.tsx	67.64% <ø> (ø)
src/date-picker/src/panel/datetimerange.tsx	60.46% <ø> (ø)
src/dynamic-tags/src/DynamicTags.tsx	72.52% <0.00%> (+0.11%)	⬆️
src/dynamic-input/src/DynamicInput.tsx	48.00% <0.00%> (+4.66%)	⬆️

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