private boolean isDefaultLabel() {
		return symbol != null && symbol.getSource() == SourceType.DEFAULT;
	}
Invokes the dialog to edit an existing label in the given program
@param targetSymbol the symbol(label) to edit
@param targetProgram the program containing the symbol
@param provider the ComponentProvider to parent and center the dialog over.
Ghidra/Features/Base/src/main/java/ghidra/app/util/AddEditDialog.java