src/vs/workbench/contrib/files/browser/fileActions.ts/ShowActiveFileInExplorer/run
class ShowActiveFileInExplorer:	override async run(): Promise<void> {
		const resource = EditorResourceAccessor.getOriginalUri(this.editorService.activeEditor, { supportSideBySide: SideBySideEditor.PRIMARY });
		if (resource) {
			this.commandService.executeCommand(REVEAL_IN_EXPLORER_COMMAND_ID, resource);
		}
	}