Rename Pakistan to select dropdown accessible name (#13752)

Emby.Server.Implementations/Localization/countries.json

@@ -336,7 +336,7 @@
         "TwoLetterISORegionName": "IE"
     },
     {
-        "DisplayName": "Islamic Republic of Pakistan",
+        "DisplayName": "Pakistan",
         "Name": "PK",
         "ThreeLetterISORegionName": "PAK",
         "TwoLetterISORegionName": "PK"