private DomainFolder getProjectRootFolder() {
		Project project = AppInfo.getActiveProject();
		ProjectData projectData = project.getProjectData();
		return projectData.getRootFolder();
	}
Sets the destination folder for the imported program.
@param folder the folder to store the imported program.
Ghidra/Features/Base/src/main/java/ghidra/plugin/importer/ImporterDialog.java