Core - Rewrote profile configuration icons

WPF UI - Adjusted for the above rewrite 
Avalonia UI - Implemented profile icons

src/Artemis.Storage/Entities/Profile/ProfileConfigurationEntity.cs

@@ -8,6 +8,7 @@ namespace Artemis.Storage.Entities.Profile
     {
         public string Name { get; set; }
         public string MaterialIcon { get; set; }
+        public string IconOriginalFileName { get; set; }
         public Guid FileIconId { get; set; }
         public int IconType { get; set; }
         public int Order { get; set; }

src/Artemis.Storage/Repositories/ProfileCategoryRepository.cs

@@ -70,7 +70,7 @@ namespace Artemis.Storage.Repositories
             if (stream == null && _profileIcons.Exists(profileConfigurationEntity.FileIconId))
                 _profileIcons.Delete(profileConfigurationEntity.FileIconId);
 
-            _profileIcons.Upload(profileConfigurationEntity.FileIconId, "image", stream);
+            _profileIcons.Upload(profileConfigurationEntity.FileIconId, profileConfigurationEntity.IconOriginalFileName, stream);
         }
     }
 }