private void createNamespace(String name) {
		applyCmd(program, new CreateNamespacesCmd(name, SourceType.USER_DEFINED));
	}
Catches the issue where the user could not move a label within a
namespace under the Global namespace to directly under the Global
namespace.

see Tracker ID 901
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/label/AddEditDialoglTest.java