src/vs/workbench/contrib/notebook/browser/services/notebookServiceImpl.ts/NotebookService/updateMimePreferredRenderer
class NotebookService:	updateMimePreferredRenderer(viewType: string, mimeType: string, rendererId: string, otherMimetypes: readonly string[]): void {
		const info = this.notebookProviderInfoStore.get(viewType);
		if (info) {
			this._notebookRenderersInfoStore.setPreferred(info, mimeType, rendererId);
		}

		this._displayOrder.prioritize(mimeType, otherMimetypes);
	}