fix(comp:tree): leave no blank hover without spacing

[zhangliming0618]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines
• Tests for the changes have been added/updated or not needed
• Docs and demo have been added/updated or not needed

What is the current behavior?

1, the left side does not leave a blank, the overall left alignment
2. The right side is not blank, and the icon and search box are right aligned
3, hover background directly through, left and right without leaving spacing

What is the new behavior?

modify the horizontal spacing of the tree component instance content area

Other information

No Other information

[idux-bot]

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[codecov]

Codecov Report

Merging #1686 (fe0e002) into main (dc97ac1) will decrease coverage by 0.05%.
Report is 16 commits behind head on main.
The diff coverage is 82.35%.

❗ Current head fe0e002 differs from pull request most recent head 126ca05. Consider uploading reports for the commit 126ca05 to get more accurate results

@@            Coverage Diff             @@
##             main    #1686      +/-   ##
==========================================
- Coverage   92.59%   92.54%   -0.05%     
==========================================
  Files         345      345              
  Lines       32285    32395     +110     
  Branches     3688     3690       +2     
==========================================
+ Hits        29895    29981      +86     
- Misses       2390     2414      +24     

Files Changed	Coverage Δ
packages/pro/search/src/ProSearch.tsx	15.76% <0.00%> (-0.14%)	⬇️
packages/components/upload/src/Upload.tsx	48.83% <23.52%> (-1.17%)	⬇️
packages/components/config/src/seerConfig.ts	87.50% <75.00%> (-0.97%)	⬇️
packages/components/text/src/Text.tsx	82.51% <79.64%> (-7.30%)	⬇️
packages/components/config/src/defaultConfig.ts	100.00% <100.00%> (ø)
packages/components/config/src/types.ts	100.00% <100.00%> (ø)
packages/components/locales/src/types.ts	100.00% <100.00%> (ø)
packages/components/table/src/types.ts	100.00% <100.00%> (ø)
packages/components/tabs/src/types.ts	100.00% <100.00%> (ø)
packages/components/text/src/types.ts	100.00% <100.00%> (ø)
... and 5 more