Missing code snippet on Case sensitivity doc

[garyng]

https://docs.microsoft.com/en-us/ef/core/miscellaneous/collations-and-case-sensitivity#database-collation:

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Document Details

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• ID: b27be469-3758-941c-0c5d-3a54b1545493
• Version Independent ID: d89924aa-668e-229c-8170-5731c3fff4c1
• Content: Collations and case sensitivity - EF Core
• Content Source: entity-framework/core/miscellaneous/collations-and-case-sensitivity.md
• Product: entity-framework
• Technology: entity-framework-core
• GitHub Login: @roji
• Microsoft Alias: avickers