SQL Kernel Improvements/Removing Spark Code from Core/Attach to Changes (#3790)

* Scenarios work besides loading saved kernel

* Fix compilation issue

* Save and load functional

* Fix loading kernesl issue when sql kernel is not enabled

* Fix language mapping to not be hardcoded any longer

* Remove unnecessary comment

* PR Comments vol. 1

* Code cleanup, use ConnectionProfile instead of IConnectionProfile when accessing serverName

* PR changes vol. 2

* One final comment for PR

* Fix linting issue

src/sql/parts/notebook/notebookUtils.ts

@@ -58,7 +58,28 @@ export function getProvidersForFileName(fileName: string, notebookService: INote
 	return providers;
 }
 
+export function getStandardKernelsForProvider(providerId: string, notebookService: INotebookService) : IStandardKernelWithProvider[] {
+	if (!providerId || !notebookService) {
+		return [];
+	}
+	let standardKernels = notebookService.getStandardKernelsForProvider(providerId);
+	standardKernels.forEach(kernel => {
+		Object.assign(<IStandardKernelWithProvider>kernel, {
+			name: kernel.name,
+			connectionProviderIds: kernel.connectionProviderIds,
+			notebookProvider: providerId
+		});
+	});
+	return <IStandardKernelWithProvider[]>(standardKernels);
+}
+
 // Private feature flag to enable Sql Notebook experience
 export function sqlNotebooksEnabled() {
 	return process.env['SQLOPS_SQL_NOTEBOOK'] !== undefined;
 }
+
+export interface IStandardKernelWithProvider {
+	readonly name: string;
+	readonly connectionProviderIds: string[];
+	readonly notebookProvider: string;
+}