[PM-18569]Add admin sponsored families to organization license (#5569)

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* Add `Notes` column to `OrganizationSponsorships` table

* Add feature flag to `CreateAdminInitiatedSponsorshipHandler`

* Unit tests for `CreateSponsorshipHandler`

* More tests for `CreateSponsorshipHandler`

* Forgot to add `Notes` column to `OrganizationSponsorships` table in the migration script

* `CreateAdminInitiatedSponsorshipHandler` unit tests

* Fix `CreateSponsorshipCommandTests`

* Encrypt the notes field

* Wrong business logic checking for invalid permissions.

* Wrong business logic checking for invalid permissions.

* Remove design patterns

* duplicate definition in Constants.cs

* initial commit

* Merge Change with pm-17830 and use the property

* Add the new property to download licence

* Add the new property

Signed-off-by: Cy Okeke <cokeke@bitwarden.com>

* Remove the unsed failing test

Signed-off-by: Cy Okeke <cokeke@bitwarden.com>

* Remove unused method

Signed-off-by: Cy Okeke <cokeke@bitwarden.com>

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Signed-off-by: Cy Okeke <cokeke@bitwarden.com>
Co-authored-by: Jonas Hendrickx <jhendrickx@bitwarden.com>

src/Core/Billing/Licenses/LicenseConstants.cs

@@ -41,6 +41,7 @@ public static class OrganizationLicenseConstants
     public const string Refresh = nameof(Refresh);
     public const string ExpirationWithoutGracePeriod = nameof(ExpirationWithoutGracePeriod);
     public const string Trial = nameof(Trial);
+    public const string UseAdminSponsoredFamilies = nameof(UseAdminSponsoredFamilies);
 }
 
 public static class UserLicenseConstants