Fix variable declaration and follow sonarcloud suggestions

Emby.Server.Implementations/Library/UserManager.cs

@@ -620,8 +620,9 @@ namespace Emby.Server.Implementations.Library
                 throw new ArgumentNullException(nameof(user));
             }
 
-            bool hasConfiguredPassword = GetAuthenticationProvider(user).HasPassword(user);
-            bool hasConfiguredEasyPassword = !string.IsNullOrEmpty(GetAuthenticationProvider(user).GetEasyPasswordHash(user));
+            IAuthenticationProvider authenticationProvider = GetAuthenticationProvider(user);
+            bool hasConfiguredPassword = authenticationProvider.HasPassword(user);
+            bool hasConfiguredEasyPassword = !string.IsNullOrEmpty(authenticationProvider.GetEasyPasswordHash(user));
 
             bool hasPassword = user.Configuration.EnableLocalPassword &&
                 !string.IsNullOrEmpty(remoteEndPoint) &&

MediaBrowser.Model/Dto/PublicUserDto.cs

@@ -1,6 +1,4 @@
 using System;
-using MediaBrowser.Model.Configuration;
-using MediaBrowser.Model.Users;
 
 namespace MediaBrowser.Model.Dto
 {
@@ -29,9 +27,10 @@ namespace MediaBrowser.Model.Dto
 
         /// <summary>
         /// Gets or sets a value indicating whether this instance has configured password.
+        /// Note that in this case this method should not be here, but it is necessary when changeing password at the
+        /// first login.
         /// </summary>
         /// <value><c>true</c> if this instance has configured password; otherwise, <c>false</c>.</value>
-        // FIXME this shouldn't be here, but it's necessary when changing password at the first login
         public bool HasConfiguredPassword { get; set; }
 
         /// <summary>