SNOW-1526509 Log connecting area (#992)

### Description
SNOW-1526509 Log connecting area

### Checklist
- [x] Code compiles correctly
- [x] Code is formatted according to [Coding
Conventions](../blob/master/CodingConventions.md)
- [x] Created tests which fail without the change (if possible)
- [x] All tests passing (`dotnet test`)
- [x] Extended the README / documentation, if necessary
- [x] Provide JIRA issue id (if possible) or GitHub issue id in PR name

Author: sfc-gh-knozderko

Snowflake.Data.Tests/UnitTests/SFSessionPropertyTest.cs

@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) 2019 Snowflake Computing Inc. All rights reserved.
  */
 
@@ -154,6 +154,18 @@ public void TestValidateDisableSamlUrlCheckProperty(string expectedDisableSamlUr
             Assert.AreEqual(expectedDisableSamlUrlCheck, properties[SFSessionProperty.DISABLE_SAML_URL_CHECK]);
         }
 
+        [Test]
+        [TestCase("account.snowflakecomputing.cn", "Connecting to CHINA Snowflake domain")]
+        [TestCase("account.snowflakecomputing.com", "Connecting to GLOBAL Snowflake domain")]
+        public void TestResolveConnectionArea(string host, string expectedMessage)
+        {
+            // act
+            var message = SFSessionProperties.ResolveConnectionAreaMessage(host);
+
+            // assert
+            Assert.AreEqual(expectedMessage, message);
+        }
+
         public static IEnumerable<TestCase> ConnectionStringTestCases()
         {
             string defAccount = "testaccount";

Snowflake.Data/Core/Session/SFSessionProperty.cs

@@ -281,6 +281,7 @@ internal static SFSessionProperties ParseConnectionString(string connectionStrin
                 properties.Add(SFSessionProperty.HOST, hostName);
                 logger.Info($"Compose host name: {hostName}");
             }
+            logger.Info(ResolveConnectionAreaMessage(properties[SFSessionProperty.HOST]));
 
             // Trim the account name to remove the region and cloud platform if any were provided
             // because the login request data does not expect region and cloud information to be
@@ -290,6 +291,11 @@ internal static SFSessionProperties ParseConnectionString(string connectionStrin
             return properties;
         }
 
+        internal static string ResolveConnectionAreaMessage(string host) =>
+            host.EndsWith(".cn", StringComparison.InvariantCultureIgnoreCase)
+                ? "Connecting to CHINA Snowflake domain"
+                : "Connecting to GLOBAL Snowflake domain";
+
         private static void ValidateAuthenticator(SFSessionProperties properties)
         {
             var knownAuthenticators = new[] {