Fixed: Parsing of 4Kto1080p as 1080p

closes #4199

src/NzbDrone.Core.Test/ParserTests/QualityParserFixture.cs

@@ -240,6 +240,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Better.Call.Saul.S03E09.1080p.NF.WEBRip.DD5.1.x264-ViSUM", false)]
         [TestCase("The Walking Dead S09E13 1.54 GB WEB-RIP 1080p Dual-Audio 2019 MKV", false)]
         [TestCase("Series.Title.1x04.ITA.1080p.WEBMux.x264-NovaRip", false)]
+        [TestCase("The.Mandalorian.2019.S02E07.Chapter.15.The.Believer.4Kto1080p.DSNYP.Webrip.x265.10bit.EAC3.5.1.Atmos.GokiTAoE", false)]
         public void should_parse_webrip1080p_quality(string title, bool proper)
         {
             ParseAndVerifyQuality(title, Quality.WEBRip1080p, proper);

src/NzbDrone.Core/Parser/QualityParser.cs

@@ -46,7 +46,7 @@ namespace NzbDrone.Core.Parser
         private static readonly Regex RealRegex = new Regex(@"\b(?<real>REAL)\b",
                                                                 RegexOptions.Compiled);
 
-        private static readonly Regex ResolutionRegex = new Regex(@"\b(?:(?<R360p>360p)|(?<R480p>480p|640x480|848x480)|(?<R576p>576p)|(?<R720p>720p|1280x720)|(?<R1080p>1080p|1920x1080|1440p|FHD|1080i)|(?<R2160p>2160p|4k[-_. ](?:UHD|HEVC|BD)|(?:UHD|HEVC|BD)[-_. ]4k))\b",
+        private static readonly Regex ResolutionRegex = new Regex(@"\b(?:(?<R360p>360p)|(?<R480p>480p|640x480|848x480)|(?<R576p>576p)|(?<R720p>720p|1280x720)|(?<R1080p>1080p|1920x1080|1440p|FHD|1080i|4kto1080p)|(?<R2160p>2160p|4k[-_. ](?:UHD|HEVC|BD)|(?:UHD|HEVC|BD)[-_. ]4k))\b",
                                                                 RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
         private static readonly Regex CodecRegex = new Regex(@"\b(?:(?<x264>x264)|(?<h264>h264)|(?<xvidhd>XvidHD)|(?<xvid>Xvid)|(?<divx>divx))\b",