private Symbol findSymbol(SymbolTable symTable, String currentLabel, Address symAddr) {
		SymbolIterator symbols = symTable.getSymbolsAsIterator(symAddr);
		for (Symbol symbol : symbols) {
			if (symbol.getName(true).equals(currentLabel)) {
				return symbol;
			}
		}
		return null;
	}
This method gets called when the user clicks on the Ok Button.  The base
class calls this method.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/label/OperandLabelDialog.java