boolean hasDiffSelection() {
		return (diffBytes || diffLabels || diffCodeUnits || diffProgramContext || diffReferences ||
			diffComments || diffBookmarks || diffProperties || diffFunctions || diffSourceMap);
	}
Return true if at least one of the checkboxes for the filter
has been selected.
Ghidra/Features/ProgramDiff/src/main/java/ghidra/app/plugin/core/diff/ExecuteDiffDialog.java