Debug console do not show tooltip

fixes #16105

src/vs/workbench/parts/debug/electron-browser/debugViewer.ts

@@ -41,6 +41,7 @@ export interface IRenderValueOptions {
 	preserveWhitespace?: boolean;
 	showChanged?: boolean;
 	maxValueLength?: number;
+	showHover?: boolean;
 }
 
 export function renderExpressionValue(expressionOrValue: debug.IExpression | string, container: HTMLElement, options: IRenderValueOptions): void {
@@ -75,7 +76,9 @@ export function renderExpressionValue(expressionOrValue: debug.IExpression | str
 	} else {
 		container.textContent = value;
 	}
-	container.title = value;
+	if (options.showHover) {
+		container.title = value;
+	}
 }
 
 export function renderVariable(tree: ITree, variable: Variable, data: IVariableTemplateData, showChanged: boolean): void {
@@ -89,9 +92,9 @@ export function renderVariable(tree: ITree, variable: Variable, data: IVariableT
 		renderExpressionValue(variable, data.value, {
 			showChanged,
 			maxValueLength: MAX_VALUE_RENDER_LENGTH_IN_VIEWLET,
-			preserveWhitespace: false
+			preserveWhitespace: false,
+			showHover: true
 		});
-		data.value.title = variable.value;
 	} else {
 		data.value.textContent = '';
 		data.value.title = '';
@@ -958,7 +961,8 @@ export class WatchExpressionsRenderer implements IRenderer {
 			renderExpressionValue(watchExpression, data.value, {
 				showChanged: true,
 				maxValueLength: MAX_VALUE_RENDER_LENGTH_IN_VIEWLET,
-				preserveWhitespace: false
+				preserveWhitespace: false,
+				showHover: true
 			});
 			data.name.title = watchExpression.type ? watchExpression.type : watchExpression.value;
 		}

src/vs/workbench/parts/debug/electron-browser/replViewer.ts

@@ -220,7 +220,8 @@ export class ReplExpressionsRenderer implements IRenderer {
 	private renderExpression(tree: ITree, expression: IExpression, templateData: IExpressionTemplateData): void {
 		templateData.input.textContent = expression.name;
 		renderExpressionValue(expression, templateData.value, {
-			preserveWhitespace: true
+			preserveWhitespace: true,
+			showHover: false
 		});
 		if (expression.hasChildren) {
 			templateData.annotation.className = 'annotation octicon octicon-info';
@@ -244,7 +245,8 @@ export class ReplExpressionsRenderer implements IRenderer {
 		let result = this.handleANSIOutput(output.value);
 		if (typeof result === 'string') {
 			renderExpressionValue(result, templateData.value, {
-				preserveWhitespace: true
+				preserveWhitespace: true,
+				showHover: false
 			});
 		} else {
 			templateData.value.appendChild(result);
@@ -263,7 +265,8 @@ export class ReplExpressionsRenderer implements IRenderer {
 
 		// value
 		renderExpressionValue(output.value, templateData.value, {
-			preserveWhitespace: true
+			preserveWhitespace: true,
+			showHover: false
 		});
 
 		// annotation if any