Fixed: Get full path for download station instead of shared folder

Closes #4751

src/NzbDrone.Core/Download/Clients/DownloadStation/TorrentDownloadStation.cs

@@ -115,12 +115,18 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation
         {
             try
             {
-                var path = GetDownloadDirectory();
+                var serialNumber = _serialNumberProvider.GetSerialNumber(Settings);
+
+                // Download station returns the path without the leading `/`, but the leading
+                // slash is required to get the full path back from download station.
+                var path = new OsPath($"/{GetDownloadDirectory()}");
+
+                var fullPath = _sharedFolderResolver.RemapToFullPath(path, Settings, serialNumber);
 
                 return new DownloadClientInfo
                 {
                     IsLocalhost = Settings.Host == "127.0.0.1" || Settings.Host == "localhost",
-                    OutputRootFolders = new List<OsPath> { _remotePathMappingService.RemapRemoteToLocal(Settings.Host, new OsPath(path)) }
+                    OutputRootFolders = new List<OsPath> { _remotePathMappingService.RemapRemoteToLocal(Settings.Host, fullPath) }
                 };
             }
             catch (DownloadClientException e)

src/NzbDrone.Core/Download/Clients/DownloadStation/UsenetDownloadStation.cs

@@ -140,12 +140,18 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation
         {
             try
             {
-                var path = GetDownloadDirectory();
+                var serialNumber = _serialNumberProvider.GetSerialNumber(Settings);
+
+                // Download station returns the path without the leading `/`, but the leading
+                // slash is required to get the full path back from download station.
+                var path = new OsPath($"/{GetDownloadDirectory()}");
+
+                var fullPath = _sharedFolderResolver.RemapToFullPath(path, Settings, serialNumber);
 
                 return new DownloadClientInfo
                 {
                     IsLocalhost = Settings.Host == "127.0.0.1" || Settings.Host == "localhost",
-                    OutputRootFolders = new List<OsPath> { _remotePathMappingService.RemapRemoteToLocal(Settings.Host, new OsPath(path)) }
+                    OutputRootFolders = new List<OsPath> { _remotePathMappingService.RemapRemoteToLocal(Settings.Host, fullPath) }
                 };
             }
             catch (DownloadClientException e)