NullPointerException with MacOSThemeDetector.isDark on Mac Monterey

[mgroth0]

	java.lang.NullPointerException: Cannot invoke "java.lang.CharSequence.length()" because "this.text" is null
	at java.base/java.util.regex.Matcher.getTextLength(Matcher.java:1769)
	at java.base/java.util.regex.Matcher.reset(Matcher.java:415)
	at java.base/java.util.regex.Matcher.<init>(Matcher.java:252)
	at java.base/java.util.regex.Pattern.matcher(Pattern.java:1134)
	at com.jthemedetecor.MacOSThemeDetector.isDarkTheme(MacOSThemeDetector.java:96)
	at com.jthemedetecor.MacOSThemeDetector.isDark(MacOSThemeDetector.java:86)

Maybe Foundation.toStringViaUTF8(Foundation.invoke(userDefaults, "objectForKey:", Foundation.nsString("AppleInterfaceStyle"))) is returning null for some reason. i don't know why.

I'm on MacOS 12.3.1

[mgroth0]

Oops, this is the same as #18