fix: applyPathRewrite logs old req.url instead of rewritten path

[nicoabie]

Description

• applyPathRewrite was logging an incorrect value
• closes applyPathRewrite logs old req.url instead of rewritten path #1156

Motivation and Context

• help debugging

How has this been tested?

• locally

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.