Разложить grpc-hosting и UrlSafeToken по назначению

grpc-hosting -> Interceptors/Models/Options/Services; UrlSafeToken
-> SharedKernel/Utilities. Маркеры проектов оставлены в корнях.
namespace/using/FQN мигрированы.

src/core/Deal.Modules.Tenants/Application/Services/InviteCodeGenerator.cs

@@ -1,4 +1,5 @@
 using Deal.SharedKernel;
+using Deal.SharedKernel.Utilities;
 
 namespace Deal.Modules.Tenants.Application.Services;
 

src/core/Deal.Modules.Tenants/Application/Services/SessionTokens.cs

@@ -1,6 +1,7 @@
 using System.Security.Cryptography;
 using System.Text;
 using Deal.SharedKernel;
+using Deal.SharedKernel.Utilities;
 
 namespace Deal.Modules.Tenants.Application.Services;
 

src/core/Deal.Modules.Tenants/Application/Services/TenantAdminService.cs

@@ -1,6 +1,7 @@
 using Deal.Modules.Tenants.Application.Abstractions;
 using Deal.Modules.Tenants.Application.Models;
 using Deal.SharedKernel;
+using Deal.SharedKernel.Utilities;
 
 namespace Deal.Modules.Tenants.Application.Services;