Adding schema based object folders in OE (#1849)

* Making node types automated

* Adding schema based OE

* added folder types in NodeTypes

* Fixing stuff

* Moving schema to parent and cleaning up some code

* Replacing strings with nameof

* Sorting nodetypes generated by tt

* Adding option to put folders after nodes

* Fixing folder and children order

* Fixing tests

* Formatting file

* Formatting tt files

* Fixing tt

* fixing types

* Update src/Microsoft.SqlTools.ServiceLayer/SqlContext/ObjectExplorerSettings.cs

Co-authored-by: Charles Gagnon <chgagnon@microsoft.com>

* Fixing stuff

* Updating schema definitions and adding more logs

* Fixing copyright

* Adding Integration and Unit Tests

* Fixing test

---------

Co-authored-by: Charles Gagnon <chgagnon@microsoft.com>

src/Microsoft.SqlTools.ServiceLayer/SqlContext/ObjectExplorerSettings.cs

@@ -14,11 +14,13 @@ namespace Microsoft.SqlTools.ServiceLayer.SqlContext
     {
         public static int DefaultCreateSessionTimeout = 45;
         public static int DefaultExpandTimeout = 45;
+        public static bool DefaultGroupBySchema = false;
 
         public ObjectExplorerSettings()
         {
             CreateSessionTimeout = DefaultCreateSessionTimeout;
             ExpandTimeout = DefaultExpandTimeout;
+            GroupBySchema = DefaultGroupBySchema;
         }
 
         /// <summary>
@@ -30,5 +32,11 @@ namespace Microsoft.SqlTools.ServiceLayer.SqlContext
         /// Number of seconds to wait before fail expand request with timeout error
         /// </summary>
         public int ExpandTimeout { get; set; }
+
+        /// <summary>
+        /// Moves Schema to the top level of OE and then move schema-bound nodes under it.
+        /// </summary>
+        /// <value></value>
+        public bool GroupBySchema { get; set; }
     }
 }