src/vs/workbench/contrib/mergeEditor/browser/commands/commands.ts/MergeEditorAction/run
class MergeEditorAction:	run(accessor: ServicesAccessor): void {
		const { activeEditorPane } = accessor.get(IEditorService);
		if (activeEditorPane instanceof MergeEditor) {
			const vm = activeEditorPane.viewModel.get();
			if (!vm) {
				return;
			}
			this.runWithViewModel(vm, accessor);
		}
	}