Update note on DLP rule parameter scoping

[ybhargav1995]

Clarified note about parameter behavior in DLP rules.

[ybhargav1995]

@chrisda - please approve

[learn-build-service-prod]

Learn Build status updates of commit a4da604:

✅ Validation status: passed

File	Status	Preview URL	Details
exchange/exchange-ps/ExchangePowerShell/New-DlpComplianceRule.md	✅Succeeded	View (exchange-ps)

For more details, please refer to the build report.

[github-actions]

@AkshayaPrakash-PM @lusassl-msft @mukeshHCW @Srividyavaranasi
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[learn-build-service-prod]

Learn Build status updates of commit d40bac8:

✅ Validation status: passed

File	Status	Preview URL	Details
exchange/exchange-ps/ExchangePowerShell/New-DlpComplianceRule.md	✅Succeeded	View (exchange-ps)

For more details, please refer to the build report.