Add FindByName to IsoLanguage

(cherry picked from commit 723810014573c4bae2b8c611144bbee1a6b56237)

Fixes #3699
Fixes #3700

src/NzbDrone.Core/Parser/IsoLanguages.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using NzbDrone.Core.Languages;
@@ -68,14 +69,14 @@ namespace NzbDrone.Core.Parser
             return null;
         }
 
-        public static IsoLanguage FindByName(string name)
+        public static IsoLanguage Get(Language language)
         {
-            return All.FirstOrDefault(l => l.EnglishName == name.Trim());
+            return All.FirstOrDefault(l => l.Language == language);
         }
 
-        public static IsoLanguage Get(Language language)
+        public static IsoLanguage FindByName(string name)
         {
-            return All.FirstOrDefault(l => l.Language == language);
+            return All.FirstOrDefault(l => l.EnglishName.Equals(name.Trim(), StringComparison.InvariantCultureIgnoreCase));
         }
     }
 }