chore(codebase): full cleanup pass

backend/Modules/Identity/Handlers/ChangeBirthDate.cs

@@ -1,5 +1,6 @@
 using Hutopy.Infrastructure.Security;
 using Hutopy.Modules.Identity.Data;
+using Microsoft.AspNetCore.Identity;
 
 namespace Hutopy.Modules.Identity.Handlers;
 
@@ -22,7 +23,7 @@ public class ChangeBirthDateHandler(
         ChangeBirthDateRequest request,
         CancellationToken ct)
     {
-        var user = await userManager.FindByIdAsync(HttpContext.User.GetUserId().ToString());
+        User? user = await userManager.FindByIdAsync(HttpContext.User.GetUserId().ToString());
 
         if (user is null)
         {
@@ -32,11 +33,15 @@ public class ChangeBirthDateHandler(
 
         user.BirthDate = request.BirthDate;
 
-        var result = await userManager.UpdateAsync(user);
+        IdentityResult result = await userManager.UpdateAsync(user);
 
         if (result.Succeeded)
+        {
             await SendOkAsync(ct);
+        }
         else
+        {
             await SendUnauthorizedAsync(ct);
+        }
     }
 }