Update Set-OwaMailboxPolicy.md

[Marijnsomers]

update on -OutlookNewslettersShowMore
update on -OutlookNewslettersReactions
update on OutlookNewslettersAccessLevel

Typos in -OutlookDataFile and OWALightEnabled

[learn-build-service-prod]

Learn Build status updates of commit 71c400f:

✅ Validation status: passed

File	Status	Preview URL	Details
exchange/exchange-ps/exchange/Set-OwaMailboxPolicy.md	✅Succeeded	View (exchange-ps)

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit 9f11d98:

✅ Validation status: passed

File	Status	Preview URL	Details
exchange/exchange-ps/exchange/Set-OwaMailboxPolicy.md	✅Succeeded	View (exchange-ps)

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel