fix(backend): make API types internal

backend/src/Socialize.Api/Modules/Organizations/Handlers/OrganizationDtos.cs

@@ -3,7 +3,7 @@ using Socialize.Api.Modules.Workspaces.Handlers;
 
 namespace Socialize.Api.Modules.Organizations.Handlers;
 
-public record OrganizationMemberDto(
+internal record OrganizationMemberDto(
     Guid UserId,
     string DisplayName,
     string Email,
@@ -12,7 +12,7 @@ public record OrganizationMemberDto(
     IReadOnlyCollection<string> Permissions,
     DateTimeOffset CreatedAt);
 
-public record OrganizationDto(
+internal record OrganizationDto(
     Guid Id,
     string Name,
     string? LogoUrl,
@@ -43,11 +43,11 @@ public record OrganizationDto(
     }
 }
 
-public record OrganizationUsageDto(
+internal record OrganizationUsageDto(
     string PlanName,
     IReadOnlyCollection<OrganizationUsageItemDto> Items);
 
-public record OrganizationUsageItemDto(
+internal record OrganizationUsageItemDto(
     string Key,
     int Used,
     int? Limit);