src/vs/workbench/common/views.ts/ViewsRegistry/moveViews
class ViewsRegistry:	moveViews(viewsToMove: IViewDescriptor[], viewContainer: ViewContainer): void {
		for (const container of this._views.keys()) {
			if (container !== viewContainer) {
				const views = this.removeViews(viewsToMove, container);
				if (views.length) {
					this.addViews(views, viewContainer);
					this._onDidChangeContainer.fire({ views, from: container, to: viewContainer });
				}
			}
		}
	}