Cherry pick branch 'genexuslabs:feat/gamutils_isHexa' into beta

Author: sgrampone

dotnet/src/extensions/gam/src/DotNetFramework/GamUtils/GamUtilsEO.cs

@@ -103,7 +103,7 @@ public static string RandomUrlSafeCharacters(int length)
 		public static string Base64ToHexa(string base64) { return Encoding.Base64ToHexa(base64);  }
 
 		[SecuritySafeCritical]
-		public static bool IsHexadecimal(string base64) { return Encoding.IsHexa(base64); }
+		public static bool IsHexadecimal(string hexa) { return Encoding.IsHexa(hexa); }
 
 		//**PKCE**//