bind configure function so this is not undefined (microsoft#162245)

Author: meganrogge

src/vs/workbench/contrib/tasks/browser/abstractTaskService.ts

@@ -2953,7 +2953,6 @@ export abstract class AbstractTaskService extends Disposable implements ITaskSer
 					// eat the error, it has already been surfaced to the user and we don't care about it here
 				});
 			}
-
 			const chooseAndRunTask = (tasks: Task[]) => {
 				this._showIgnoredFoldersMessage().then(() => {
 					this._showQuickPick(tasks,
@@ -2968,7 +2967,7 @@ export abstract class AbstractTaskService extends Disposable implements ITaskSer
 								return;
 							}
 							if (task === null) {
-								configure();
+								configure.apply(this);
 								return;
 							}
 							runSingleTask(task, { attachProblemMatcher: true }, this);