DataGridTemplateColumn Width parses the GridLength in a culture specific way at runtime and doesn't use invariant culture

[NicholasChrzan]

Describe the bug

DataGridTemplateColumn Width parses the GridLength in a culture specific way at runtime and doesn't use invariant culture, or on failure should try to convert using invariant culture if the current behavior is still needed.

Regression

No response

Reproducible in sample app?

• [ ] This bug can be reproduced in the sample app.

Steps to reproduce

Specify a DataGridTemplateColumn with a Width of 2.15* and build on an en-US.
Change Windows to Hungarian 
Run the app and it should crash

Expected behavior

It should be able to handle invariant GridLengths

Screenshots

No response

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

Nuget packages

No response

Additional context

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