chore(codebase): full cleanup pass

backend/Modules/Identity/Handlers/ChangePortrait.cs

@@ -1,6 +1,7 @@
 using Hutopy.Infrastructure.BlobStorage.Contracts;
 using Hutopy.Infrastructure.Security;
 using Hutopy.Modules.Identity.Data;
+using Microsoft.AspNetCore.Identity;
 
 namespace Hutopy.Modules.Identity.Handlers;
 
@@ -40,7 +41,7 @@ public class ChangePortraitHandler(
         ChangePortraitRequest 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)
         {
@@ -48,7 +49,7 @@ public class ChangePortraitHandler(
             return;
         }
 
-        var blobUrl = await blobStorage.UploadFileAsync(
+        string blobUrl = await blobStorage.UploadFileAsync(
             ContainerNames.Users,
             $"{user.Id}/{SubDirectoryNames.Profile}/{CommonFileNames.ProfilePicture}",
             request.File.OpenReadStream(),
@@ -57,7 +58,7 @@ public class ChangePortraitHandler(
 
         user.PortraitUrl = blobUrl;
 
-        var result = await userManager.UpdateAsync(user);
+        IdentityResult result = await userManager.UpdateAsync(user);
 
         if (result.Succeeded)
         {