Set target platform for db projects from server metadata: mssql vscode extension (#20607)

* Set target platform for mssql vscode extension- create project from db feature

* Addressed comments

* Address comment to add EngineEdition information in vscode-mssql.d.ts

extensions/types/vscode-mssql.d.ts

@@ -114,8 +114,32 @@ declare module 'vscode-mssql' {
 		 * @returns A promise object for when the request receives a response
 		 */
 		sendRequest<P, R, E, R0>(requestType: RequestType<P, R, E, R0>, params?: P): Promise<R>;
+
+		/**
+		 * Get the server info for a connection
+		 * @param connectionInfo connection info of the connection
+		 */
+		getServerInfo(connectionInfo: IConnectionInfo): ServerInfo
 	}
 
+	/**
+	 * The possible values of the server engine edition
+	 * EngineEdition under https://docs.microsoft.com/sql/t-sql/functions/serverproperty-transact-sql is associated with these values
+	 */
+	 export const enum DatabaseEngineEdition {
+		Unknown = 0,
+		Personal = 1,
+		Standard = 2,
+		Enterprise = 3,
+		Express = 4,
+		SqlDatabase = 5,
+		SqlDataWarehouse = 6,
+		SqlStretchDatabase = 7,
+		SqlManagedInstance = 8,
+		SqlOnDemand = 11
+	}
+
+
 	/**
 	 * Information about a database connection
 	 */
@@ -289,6 +313,61 @@ declare module 'vscode-mssql' {
 		connectionString: string | undefined;
 	}
 
+	/**
+	 * Information about a SQL Server instance.
+	 */
+	export interface ServerInfo {
+		/**
+		 * The major version of the SQL Server instance.
+		 */
+		serverMajorVersion: number;
+
+		/**
+		 * The minor version of the SQL Server instance.
+		 */
+		serverMinorVersion: number;
+
+		/**
+		 * The build of the SQL Server instance.
+		 */
+		serverReleaseVersion: number;
+
+		/**
+		 * The ID of the engine edition of the SQL Server instance.
+		 */
+		engineEditionId: number;
+
+		/**
+		 * String containing the full server version text.
+		 */
+		serverVersion: string;
+
+		/**
+		 * String describing the product level of the server.
+		 */
+		serverLevel: string;
+
+		/**
+		 * The edition of the SQL Server instance.
+		 */
+		serverEdition: string;
+
+		/**
+		 * Whether the SQL Server instance is running in the cloud (Azure) or not.
+		 */
+		isCloud: boolean;
+
+		/**
+		 * The version of Azure that the SQL Server instance is running on, if applicable.
+		 */
+		azureVersion: number;
+
+		/**
+		 * The Operating System version string of the machine running the SQL Server instance.
+		 */
+		osVersion: string;
+	}
+
 	export const enum ExtractTarget {
 		dacpac = 0,
 		file = 1,