boolean shouldContinue() {
			return Swing.runNow(() -> {
				show(null);
				return getResult() == OptionDialog.OPTION_ONE;
			});
		}
Verifies that all programs to be analyzed have similar architectures (if
not, they can't be analyzed in a single batch, as their analyzer options
do not match). 
<p>
If any architectures do not match, the user will be notified via
a popup dialog.

@return the list of programs that can be analyzed, or null if the operation
was cancelled by the user
@throws CancelledException if the user cancelled the operation
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/analysis/AnalyzeAllOpenProgramsTask.java