New: Manual import improvements (#683)

* New: Manual import improvements

 - Detect and merge import with files already in library.
 - Allow selection of album release from Manual Import modal.
 - Loading indicator while fetching updated decisions

* Disable release switching if user manually overrode release

src/Lidarr.Api.V1/ManualImport/ManualImportResource.cs

@@ -1,4 +1,3 @@
-using NzbDrone.Common.Crypto;
 using NzbDrone.Core.DecisionEngine;
 using NzbDrone.Core.MediaFiles.TrackImport.Manual;
 using NzbDrone.Core.Qualities;
@@ -9,7 +8,6 @@ using Lidarr.Api.V1.Tracks;
 using Lidarr.Http.REST;
 using System.Collections.Generic;
 using System.Linq;
-using NzbDrone.Core.Music;
 using NzbDrone.Core.Parser.Model;
 
 namespace Lidarr.Api.V1.ManualImport
@@ -31,6 +29,9 @@ namespace Lidarr.Api.V1.ManualImport
         public string DownloadId { get; set; }
         public IEnumerable<Rejection> Rejections { get; set; }
         public ParsedTrackInfo AudioTags { get; set; }
+        public bool AdditionalFile { get; set; }
+        public bool ReplaceExistingFiles { get; set; }
+        public bool DisableReleaseSwitching { get; set; }
     }
 
     public static class ManualImportResourceMapper
@@ -56,7 +57,10 @@ namespace Lidarr.Api.V1.ManualImport
                 //QualityWeight
                 DownloadId = model.DownloadId,
                 Rejections = model.Rejections,
-                AudioTags = model.Tags
+                AudioTags = model.Tags,
+                AdditionalFile = model.AdditionalFile,
+                ReplaceExistingFiles = model.ReplaceExistingFiles,
+                DisableReleaseSwitching = model.DisableReleaseSwitching
             };
         }