Update admin-troubleshoot-sales-synchronization.md

[ikoletic]

Added troubleshooting details based on input from yammer. Please publish asap.

[learn-build-service-prod]

Learn Build status updates of commit 4031de6:

⚠️ Validation status: warnings

File	Status	Preview URL	Details
business-central/admin-troubleshoot-sales-synchronization.md	⚠️Warning		Details

business-central/admin-troubleshoot-sales-synchronization.md

• Line 30, Column 143: [Warning: hard-coded-locale - See documentation] Link 'https://learn.microsoft.com/en-us/power-platform/admin/admin-mode#set-administration-mode' contains locale code 'en-us'. For localizability, remove 'en-us' from links to most Microsoft sites.
• Line 30, Column 143: [Suggestion: docs-link-absolute - See documentation] Absolute link 'https://learn.microsoft.com/en-us/power-platform/admin/admin-mode#set-administration-mode' will be broken in isolated environments. Replace with a relative link.

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