fix(ext-plugin): add original args when rewrite path

[ZhangShangyu]

Description

Fixes #9997

Checklist

• I have explained the need for this PR and the problem it solves
• I have explained the changes or the new features added to this PR
• I have added tests corresponding to this change
• I have updated the documentation to reflect this change
• I have verified that this change is backward compatible (If not, please discuss on the APISIX mailing list first)

[monkeyDluffy6017]

Hi @ZhangShangyu, thanks for your contrubution, but we are going to remove ext-plugin in the future, so this pr is no longer needed, i will close this pr.