keep error handler around, #57695

src/vs/editor/contrib/codelens/codelensWidget.ts

@@ -93,7 +93,7 @@ class CodeLensContentWidget implements editorBrowser.IContentWidget {
 				let command = this._commands[element.id];
 				if (command) {
 					editor.focus();
-					commandService.executeCommand(command.id, ...command.arguments).done(undefined, err => {
+					commandService.executeCommand(command.id, ...command.arguments).then(undefined, err => {
 						notificationService.error(err);
 					});
 				}

src/vs/editor/contrib/folding/folding.ts

@@ -167,7 +167,7 @@ export class FoldingController implements IEditorContribution {
 				if (foldingModel) {
 					foldingModel.applyMemento(state.collapsedRegions);
 				}
-			}).done(undefined, onUnexpectedError);
+			}).then(undefined, onUnexpectedError);
 		}
 	}
 
@@ -313,7 +313,7 @@ export class FoldingController implements IEditorContribution {
 					}
 				}
 			}
-		}).done(undefined, onUnexpectedError);
+		}).then(undefined, onUnexpectedError);
 
 	}
 
@@ -408,7 +408,7 @@ export class FoldingController implements IEditorContribution {
 					}
 				}
 			}
-		}).done(undefined, onUnexpectedError);
+		}).then(undefined, onUnexpectedError);
 	}
 
 	public reveal(position: IPosition): void {

src/vs/editor/contrib/goToDefinition/goToDefinitionMouse.ts

@@ -159,7 +159,7 @@ class GotoDefinitionWithMouseEditorContribution implements editorCommon.IEditorC
 					ref.dispose();
 				});
 			}
-		}).done(undefined, onUnexpectedError);
+		}).then(undefined, onUnexpectedError);
 	}
 
 	private getPreviewValue(textEditorModel: ITextModel, startLineNumber: number) {