fix: confirm email changes and enforce clean backend build

backend/src/Socialize.Api/Infrastructure/Security/ClaimsPrincipalExtensions.cs

@@ -1,4 +1,5 @@
-using System.Security.Claims;
+using System.Globalization;
+using System.Security.Claims;
 
 namespace Socialize.Api.Infrastructure.Security;
 
@@ -81,11 +82,11 @@ internal static class ClaimsPrincipalExtensions
 
         if (claim is null)
         {
-            throw new MissingClaimException(key);
+            throw MissingClaimException.ForClaim(key);
         }
 
         return typeof(TValue) == typeof(Guid)
             ? Guid.Parse(claim.Value)
-            : Convert.ChangeType(claim.Value, typeof(TValue));
+            : Convert.ChangeType(claim.Value, typeof(TValue), CultureInfo.InvariantCulture);
     }
 }