Update diagnostic-al190.md

[cristinanicolas]

Include the correct format for a Time datatype with an example. Following a similar text as the one found in diagnostic-al191

[learn-build-service-prod]

Learn Build status updates of commit cd4b40c:

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[NKarolak]

You cannot make any edits between the DO_NOT_EDIT tags - this area is solely controlled by the AL language and would be overwritten with the next automatic refresh.
What you can do instead: move your addition into a new Remarks section under the DO_NOT_EDIT area.
For example: https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/diagnostics/diagnostic-al305

[learn-build-service-prod]

Learn Build status updates of commit f24df3b:

✅ Validation status: passed

File	Status	Preview URL	Details
dev-itpro/developer/diagnostics/diagnostic-al190.md	✅Succeeded

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