[SQL Migration] SKU recommendation improvements + SQL DB integration bug fixes (#20174)

* WIP - show error message for failed SKU recommendation

* WIP - run query to get correct instance name

* WIP - integrate elastic model recommendation

* Remove private endpoint restriction text

* Add feature switch for elastic recommendation

* Clean up

* Clean up

* Misc UI fixes

* Update package.json with updated azdata dependency

* Remove unused lines

* Fix broken next button

* Vbump extension to 1.0.6

* Update SQL DB card to show number of recommendations for correct model

extensions/sql-migration/package.json

@@ -2,7 +2,7 @@
   "name": "sql-migration",
   "displayName": "%displayName%",
   "description": "%description%",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "publisher": "Microsoft",
   "preview": false,
   "license": "https://raw.githubusercontent.com/Microsoft/azuredatastudio/main/LICENSE.txt",
@@ -10,7 +10,7 @@
   "aiKey": "AIF-37eefaf0-8022-4671-a3fb-64752724682e",
   "engines": {
     "vscode": "*",
-    "azdata": ">=1.37.0"
+    "azdata": ">=1.39.0"
   },
   "activationEvents": [
     "onDashboardOpen",