Adds welcome message for database projects (#10820)

* Removing duplicate Import command piping

* Adding welcome message + buttons

* Adding welcome button to Import

* Correcting typos

extensions/sql-database-projects/package.json

@@ -94,11 +94,6 @@
         "title": "%sqlDatabaseProjects.deploy%",
         "category": "%sqlDatabaseProjects.displayName%"
       },
-      {
-        "command": "sqlDatabaseProjects.import",
-        "title": "%sqlDatabaseProjects.import%",
-        "category": "%sqlDatabaseProjects.displayName%"
-      },
       {
         "command": "sqlDatabaseProjects.properties",
         "title": "%sqlDatabaseProjects.properties%",
@@ -164,10 +159,6 @@
           "command": "sqlDatabaseProjects.deploy",
           "when": "false"
         },
-        {
-          "command": "sqlDatabaseProjects.import",
-          "when": "false"
-        },
         {
           "command": "sqlDatabaseProjects.properties",
           "when": "false"
@@ -196,11 +187,6 @@
           "when": "view == sqlDatabaseProjectsView",
           "group": "1_dbProjectsFirst@3"
         },
-        {
-          "command": "sqlDatabaseProjects.import",
-          "when": "view == sqlDatabaseProjectsView",
-          "group": "1_dbProjectsFirst@4"
-        },
         {
           "command": "sqlDatabaseProjects.newItem",
           "when": "view == sqlDatabaseProjectsView",
@@ -263,7 +249,13 @@
           "when": ""
         }
       ]
-    }
+    },
+    "viewsWelcome": [
+      {
+        "view": "sqlDatabaseProjectsView",
+        "contents": "%sqlDatabaseProjects.welcome%"
+      }
+    ]
   },
   "dependencies": {
     "promisify-child-process": "^3.1.1",