AppleMiniaturizeOnDoubleClick Isn't working about inappstorewindow HOT 2 CLOSED

- (void)mouseUp:(NSEvent *)theEvent
{
    if ([theEvent clickCount] == 2) {
        NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];

        // Get settings from "System Preferences" >  "Appearance" > "Double-click on windows title bar to minimize"
        NSString *const MDAppleMiniaturizeOnDoubleClickKey = @"AppleMiniaturizeOnDoubleClick";
        BOOL shouldMiniaturize = [[userDefaults objectForKey:MDAppleMiniaturizeOnDoubleClickKey] boolValue];

        // In El Capitan and later from "System Preferences" >  "Dock" > "Double-click on windows title bar to ..."
        NSString *const MDAppleMiniaturizeOnDoubleClickKeyElCapitan = @"AppleActionOnDoubleClick";
        shouldMiniaturize = shouldMiniaturize || [[userDefaults objectForKey:MDAppleMiniaturizeOnDoubleClickKeyElCapitan] isEqualToString:@"Minimize"];

        if (shouldMiniaturize) {
            [[self window] performMiniaturize:self];
        }
    }
}