public Address translateAddress(Address addr) {
		return translateAddress(addr, false);
	}
If the given address is outside the overlay block, then the address is tranlated to an
address in the base space with the same offset, otherwise (if the address exists in the
overlay block), it is returned

@param addr the address to translate to the base space if it is outside the overlay block
@return either the given address if it is contained in the overlay memory block or an address
        in the base space with the same offset as the given address.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/address/OverlayAddressSpace.java