fix(Select): update padding-right variable

[ArgoZhang]

update padding-right variable

Summary of the changes (Less than 80 chars)

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Description

fixes #4451

Regression?

• Yes
• No

[If yes, specify the version the behavior has regressed from]

[是否影响老版本]

Risk

• High
• Medium
• Low

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Verification

• Manual (required)
• Automated

Packaging changes reviewed?

• Yes
• No
• N/A

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• Merge the latest code from the main branch

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (4254fab) to head (7cabde3).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #4460   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          613       613           
  Lines        26609     26609           
  Branches      3879      3879           
=========================================
  Hits         26609     26609           

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