Add notebook extension support for .NET Interactive. (#18334)

* Also updated kernel dropdown to only include SQL aliased kernels when using SQL notebook provider.

src/sql/workbench/services/notebook/browser/outputs/factories.ts

@@ -55,12 +55,26 @@ export const textRendererFactory: IRenderMime.IRendererFactory = {
 	mimeTypes: [
 		'text/plain',
 		'application/vnd.jupyter.stdout',
-		'application/vnd.jupyter.stderr'
+		'application/vnd.jupyter.stderr',
+		'application/vnd.code.notebook.stdout',
+		'application/vnd.code.notebook.stderr'
 	],
 	defaultRank: 120,
 	createRenderer: options => new widgets.RenderedText(options)
 };
 
+/**
+ * A mime renderer factory for VS Code Notebook error data.
+ */
+export const errorRendererFactory: IRenderMime.IRendererFactory = {
+	safe: true,
+	mimeTypes: [
+		'application/vnd.code.notebook.error'
+	],
+	defaultRank: 121,
+	createRenderer: options => new widgets.ErrorText(options)
+};
+
 /**
  * A placeholder factory for deprecated rendered JavaScript.
  */
@@ -101,6 +115,7 @@ export const standardRendererFactories: ReadonlyArray<IRenderMime.IRendererFacto
 	imageRendererFactory,
 	javaScriptRendererFactory,
 	textRendererFactory,
+	errorRendererFactory,
 	dataResourceRendererFactory,
 	ipywidgetFactory
 ];

src/sql/workbench/services/notebook/browser/outputs/widgets.ts

@@ -319,6 +319,34 @@ export class RenderedText extends RenderedCommon {
 	}
 }
 
+export class ErrorText extends RenderedCommon {
+	/**
+	 * Construct a new error text widget.
+	 *
+	 * @param options - The options for initializing the widget.
+	 */
+	constructor(options: IRenderMime.IRendererOptions) {
+		super(options);
+		this.addClass('jp-ErrorText');
+	}
+
+	/**
+	 * Render a mime model.
+	 *
+	 * @param model - The mime model to render.
+	 *
+	 * @returns A promise which resolves when rendering is complete.
+	 */
+	render(model: IRenderMime.IMimeModel): Promise<void> {
+		let err = JSON.parse(String(model.data[this.mimeType]));
+		let text = err.name && err.message ? `${err.name}: ${err.message}` : err.name || err.message;
+		return renderers.renderText({
+			host: this.node,
+			source: text
+		});
+	}
+}
+
 /**
  * A widget for displaying deprecated JavaScript output.
  */