Apply minor suggestions from code review

Co-Authored-By: LogicalPhallacy <44458166+LogicalPhallacy@users.noreply.github.com>

Emby.Server.Implementations/Library/DefaultPasswordResetProvider.cs

@@ -70,6 +70,7 @@ namespace Emby.Server.Implementations.Library
                     UsersReset = usersreset.ToArray()
                 };
             }
+
             throw new System.NotImplementedException();
         }
 
@@ -92,7 +93,7 @@ namespace Emby.Server.Implementations.Library
             }
             catch (Exception e)
             {
-                throw new Exception($"Error serializing or writing password reset for {user.Name} to location:{filePath}", e);
+                throw new Exception($"Error serializing or writing password reset for {user.Name} to location: {filePath}", e);
             }
 
             return new ForgotPasswordResult

Emby.Server.Implementations/Library/UserManager.cs

@@ -373,7 +373,7 @@ namespace Emby.Server.Implementations.Library
 
         private IPasswordResetProvider GetPasswordResetProvider(User user)
         {
-            return GetPasswordResetProviders(user).First();
+            return GetPasswordResetProviders(user)[0];
         }
 
         private IAuthenticationProvider[] GetAuthenticationProviders(User user)