src/vs/workbench/api/browser/mainThreadCommands.ts/MainThreadCommands/$fireCommandActivationEvent
class MainThreadCommands:	$fireCommandActivationEvent(id: string): void {
		const activationEvent = `onCommand:${id}`;
		if (!this._extensionService.activationEventIsDone(activationEvent)) {
			// this is NOT awaited because we only use it as drive-by-activation
			// for commands that are already known inside the extension host
			this._extensionService.activateByEvent(activationEvent);
		}
	}