public void selectHighestPriorityLanguage() {
		Language lang = model.getHighestPriority();
		setSelectedLanguage(lang);
	}
Select the highest priority language being displayed.
If more than one language has the highest priority, then the first
one will be used.
Ghidra/Features/Base/src/main/java/ghidra/app/util/bean/SelectLanguagePanel.java