public String getVersionName(Program program) {
		if (program == programs[RESULT]) {
			return RESULT_TITLE;
		}
		if (program == programs[LATEST]) {
			return LATEST_TITLE;
		}
		if (program == programs[MY]) {
			return MY_TITLE;
		}
		if (program == programs[ORIGINAL]) {
			return ORIGINAL_TITLE;
		}
		return "Unknown";
	}
Remove the result program's listing model as a listener to the result program for domain
object events.
Ghidra/Features/Base/src/main/java/ghidra/app/merge/tool/ListingMergePanel.java