src/vs/workbench/services/views/browser/viewDescriptorService.ts/ViewDescriptorService/moveOrphanViewsToDefaultLocation
class ViewDescriptorService:	private moveOrphanViewsToDefaultLocation(): void {
		for (const [viewId, containerId] of this.viewDescriptorsCustomLocations.entries()) {
			// check if the view container exists
			if (this.viewContainersRegistry.get(containerId)) {
				continue;
			}

			// check if view has been registered to default location
			const viewContainer = this.viewsRegistry.getViewContainer(viewId);
			const viewDescriptor = this.getViewDescriptorById(viewId);
			if (viewContainer && viewDescriptor) {
				this.addViews(viewContainer, [viewDescriptor]);
			}
		}
	}