void readDataState(SaveState saveState) {
		String[] expandedPaths = saveState.getStrings(EXPANDED_PATHS, null);
		if (expandedPaths == null) {
			return;
		}
		treePanel.setExpandedPathsByNodeName(expandedPaths);
		boolean showTable = saveState.getBoolean("SHOW_TABLE", false);
		if (showTable) {
			showTable();
		}
	}
returns the ProjectURL for the current active view; null if no views open
@return the ProjectURL for the current active view; null if no views open
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/ProjectDataPanel.java