void fragmentMoved() {
		for (String treeName : providerMap.keySet()) {
			TreeViewProvider provider = providerMap.get(treeName);
			provider.notifyListeners();
		}
	}
Notification from the program domain object change listener that a
fragment was moved; update all the view maps.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/programtree/ProgramTreePlugin.java