public static String getGhidraLastProjectRootPath() {
		IPreferenceStore prefs = Activator.getDefault().getPreferenceStore();
		return prefs.getString(GHIDRA_LAST_PROJECT_ROOT_PATH);
	}
Gets the last used Ghidra project root path that's defined in the preferences.

@return The last used Ghidra project root path that's defined in the preferences.
  Could be the empty string.
GhidraBuild/EclipsePlugins/GhidraDev/GhidraDevPlugin/src/main/java/ghidradev/ghidraprojectcreator/preferences/GhidraProjectCreatorPreferences.java