private DomainObjectAdapter getOpenedDomainObject() {
		return projectData.getOpenedDomainObject(getPathname());
	}
Returns the domainObject for this DomainFile only if it is already open.
@return the already opened domainObject or null if it is not currently open.
Ghidra/Framework/Project/src/main/java/ghidra/framework/data/GhidraFileData.java