Allow Dynamic Island to rotate upside down

UpsideDownDynamicIsland.xm

@import UIKit;

@interface UIWindow()
- (void)setAutorotates:(BOOL)autorotates forceUpdateInterfaceOrientation:(BOOL)force;
@end

@interface SBSystemApertureWindow : UIWindow
@end

// SBSystemApertureWindow has a hidden override to always set autorotates to false, we must call super
@implementation SBSystemApertureWindow(hook)
- (void)setAutorotates:(BOOL)autorotates forceUpdateInterfaceOrientation:(BOOL)force {
    [super setAutorotates:YES forceUpdateInterfaceOrientation:force];
}
@end

// prevent content from flipping upside down
// FIXME: sometimes switching from landscape to portrait upside down will still leave it upside down for a short while
%hook SBSystemApertureController
- (void)_applyOrientation:(UIInterfaceOrientation)orientation withPreviousOrientation:(UIInterfaceOrientation)prevOrientation animationSettings:(id)settings {
    UIView *apertureView = MSHookIvar<UIViewController *>(self, "_systemApertureViewController").view;
    CGRect frame = apertureView.frame;

    if (orientation == UIInterfaceOrientationPortraitUpsideDown) {
        orientation = UIInterfaceOrientationPortrait;
        // put your code here to reset y offset, for example:
        frame = CGRectMake(0, -7, apertureView.frame.size.width, apertureView.frame.size.height);
    } else if (orientation == UIInterfaceOrientationPortrait) {
        // put your code here to set y offset, for example:
        frame = CGRectMake(0, 20, apertureView.frame.size.width, apertureView.frame.size.height);
    }

    [UIView animateWithDuration:1 animations:^{ 
        apertureView.frame = frame;
    }];

    %orig;
}
%end

// allow upside down
%hook SBSystemApertureCaptureVisibilityShimViewController
- (UIInterfaceOrientationMask)__supportedInterfaceOrientations {
    // use all to allow landscape island, although it's still hidden
    return //UIInterfaceOrientationMaskAll;
    UIInterfaceOrientationMaskPortrait | UIInterfaceOrientationMaskPortraitUpsideDown;
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(NSInteger)orientation {
    return YES;
}
%end