Fix: Remove title requirement in the API for adding movies when the TMDb is provided since that will over-ride the given title.

src/NzbDrone.Api/Movies/MovieModule.cs

@@ -75,7 +75,7 @@ namespace NzbDrone.Api.Movies
             PostValidator.RuleFor(s => s.RootFolderPath)
                          .IsValidPath()
                          .When(s => s.Path.IsNullOrWhiteSpace());
-            PostValidator.RuleFor(s => s.Title).NotEmpty();
+            PostValidator.RuleFor(s => s.Title).NotEmpty().When(s => s.TmdbId <= 0);
             PostValidator.RuleFor(s => s.TmdbId).NotNull().NotEmpty().SetValidator(moviesExistsValidator);
 
             PutValidator.RuleFor(s => s.Path).IsValidPath();

src/Radarr.Api.V3/Movies/MovieModule.cs

@@ -92,7 +92,7 @@ namespace Radarr.Api.V3.Movies
                          .IsValidPath()
                          .SetValidator(movieFolderAsRootFolderValidator)
                          .When(s => s.Path.IsNullOrWhiteSpace());
-            PostValidator.RuleFor(s => s.Title).NotEmpty();
+            PostValidator.RuleFor(s => s.Title).NotEmpty().When(s => s.TmdbId <= 0);
             PostValidator.RuleFor(s => s.TmdbId).NotNull().NotEmpty().SetValidator(moviesExistsValidator);
 
             PutValidator.RuleFor(s => s.Path).IsValidPath();