debug: respect output severity also for objects

fixes #16420

src/vs/workbench/parts/debug/common/debugModel.ts

@@ -872,8 +872,13 @@ export class Model implements debug.IModel {
 				this.replElements.pop();
 			}
 
-			const newReplElements = typeof output === 'string' ? output.split('\n').map(line => new OutputElement(line, severity)) : [output];
-			this.addReplElements(newReplElements);
+			if (typeof output === 'string') {
+				this.addReplElements(output.split('\n').map(line => new OutputElement(line, severity)));
+			} else {
+				// TODO@Isidor hack, we should introduce a new type which is an output that can fetch children like an expression
+				(<any>output).severity = severity;
+				this.addReplElements([output]);
+			}
 		}
 
 		this._onDidChangeREPLElements.fire();

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

@@ -323,6 +323,7 @@ export class DebugService implements debug.IDebugService {
 				return;
 			}
 
+			const outputSeverity = event.body.category === 'stderr' ? severity.Error : event.body.category === 'console' ? severity.Warning : severity.Info;
 			if (event.body.category === 'telemetry') {
 				// only log telemetry events from debug adapter if the adapter provided the telemetry key
 				// and the user opted in telemetry
@@ -335,11 +336,10 @@ export class DebugService implements debug.IDebugService {
 					children.forEach(child => {
 						// Since we can not display multiple trees in a row, we are displaying these variables one after the other (ignoring their names)
 						child.name = null;
-						this.model.appendToRepl(child, null);
+						this.model.appendToRepl(child, outputSeverity);
 					});
 				});
 			} else if (typeof event.body.output === 'string') {
-				const outputSeverity = event.body.category === 'stderr' ? severity.Error : event.body.category === 'console' ? severity.Warning : severity.Info;
 				this.model.appendToRepl(event.body.output, outputSeverity);
 			}
 		}));