void makeVisible(GroupPath groupPath) {
		TreePath path = getTreePathFromGroup(groupPath);
		if (path != null) {
			this.makeVisible(path);
		}
	}
Ensures that the node identified by groupPath is currently viewable.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/programtree/ProgramDnDTree.java