Centralize ApplyXamlStyling script

[michael-hawker]

Describe the bug

Right now we run it from the root, but it lives in the root. Since we have it in tooling now, we should better utilize it.

Not sure how we go about this, probably involves having to tweak the script to look at the CWD vs. where the script is? Not entirely sure of current behavior.

Just noting this as a work item for us to check and then update the dependent repos to use it from tooling vs. copying.

Steps to reproduce

N/A

Expected behavior

Not copying script file

Screenshots

No response

Code Platform

• [ ] UWP
• [ ] WinAppSDK / WinUI 3
• [ ] Web Assembly (WASM)
• [ ] Android
• [ ] iOS
• [ ] MacOS
• [ ] Linux / GTK

Windows Build Number

• [ ] Windows 10 1809 (Build 17763)
• [ ] Windows 10 1903 (Build 18362)
• [ ] Windows 10 1909 (Build 18363)
• [ ] Windows 10 2004 (Build 19041)
• [ ] Windows 10 20H2 (Build 19042)
• [ ] Windows 10 21H1 (Build 19043)
• [ ] Windows 11 21H2 (Build 22000)
• [ ] Other (specify)

Other Windows Build number

No response

App minimum and target SDK version

• [ ] Windows 10, version 1809 (Build 17763)
• [ ] Windows 10, version 1903 (Build 18362)
• [ ] Windows 10, version 1909 (Build 18363)
• [ ] Windows 10, version 2004 (Build 19041)
• [ ] Other (specify)

Other SDK version

No response

Visual Studio Version

No response

Visual Studio Build Number

No response

Device form factor

No response

Additional context

No response

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