Notebooks -- lightbulbs hide upon leaving cell focus (microsoft#184929)

* lightbulbs hide upon cell leaving focus

* whitespace/format

Author: Yoyokrazy

src/vs/editor/contrib/codeAction/browser/codeActionController.ts

@@ -97,6 +97,10 @@ export class CodeActionController extends Disposable implements IEditorContribut
 		return this.showCodeActionList(actions, at, { includeDisabledActions: false, fromLightbulb: false });
 	}
 
+	public hideCodeActions(): void {
+		this._actionWidgetService.hide();
+	}
+
 	public manualTriggerAtCurrentPosition(
 		notAvailableMessage: string,
 		triggerAction: CodeActionTriggerSource,
@@ -126,6 +130,10 @@ export class CodeActionController extends Disposable implements IEditorContribut
 		}
 	}
 
+	public hideLightBulbWidget(): void {
+		this._lightBulbWidget.rawValue?.hide();
+	}
+
 	private async update(newState: CodeActionsState.State): Promise<void> {
 		if (newState.type !== CodeActionsState.Type.Triggered) {
 			this._lightBulbWidget.rawValue?.hide();

src/vs/workbench/contrib/notebook/browser/view/cellParts/codeCell.ts

@@ -30,6 +30,7 @@ import { CodeCellRenderTemplate } from 'vs/workbench/contrib/notebook/browser/vi
 import { CodeCellViewModel, outputDisplayLimit } from 'vs/workbench/contrib/notebook/browser/viewModel/codeCellViewModel';
 import { INotebookExecutionStateService } from 'vs/workbench/contrib/notebook/common/notebookExecutionStateService';
 import { WordHighlighterContribution } from 'vs/editor/contrib/wordHighlighter/browser/wordHighlighter';
+import { CodeActionController } from 'vs/editor/contrib/codeAction/browser/codeActionController';
 
 export class CodeCell extends Disposable {
 	private _outputContainerRenderer: CellOutputContainer;
@@ -267,6 +268,8 @@ export class CodeCell extends Disposable {
 
 		this._register(this.templateData.editor.onDidBlurEditorWidget(() => {
 			WordHighlighterContribution.get(this.templateData.editor)?.stopHighlighting();
+			CodeActionController.get(this.templateData.editor)?.hideCodeActions();
+			CodeActionController.get(this.templateData.editor)?.hideLightBulbWidget();
 		}));
 		this._register(this.templateData.editor.onDidFocusEditorWidget(() => {
 			WordHighlighterContribution.get(this.templateData.editor)?.restoreViewState(true);