void addGroupSelectionPath(GroupPath gp) {
		TreePath path = getTreePathFromGroup(gp);
		if (path != null) {
			addSelectionPath(path);
		}
	}
Add the given group path to the tree's selection.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/programtree/ProgramDnDTree.java