Cherry-pick 5129c74. rdar://problem/110139703

    LocalSampleBufferDisplayLayer crops frames with a rotation of 90 degrees
    https://bugs.webkit.org/show_bug.cgi?id=257747
    rdar://110139703

    Reviewed by Eric Carlson.

    We broke the computation of bounds and position in case of rotations in 0e0d797.
    We update the code to be back to the previous version.

    * Source/WebCore/platform/graphics/avfoundation/objc/LocalSampleBufferDisplayLayer.mm:
    (WebCore::LocalSampleBufferDisplayLayer::updateRootLayerBoundsAndPosition):

    Canonical link: https://commits.webkit.org/264930@main

Canonical link: https://commits.webkit.org/264854.2@safari-7616.1.17-branch

Source/WebCore/platform/graphics/avfoundation/objc/LocalSampleBufferDisplayLayer.mm

@@ -315,9 +315,9 @@ static void runWithoutAnimations(const WTF::Function<void()>& function)
         auto layerBounds = bounds;
         if (rotation == VideoFrame::Rotation::Right || rotation == VideoFrame::Rotation::Left)
             std::swap(layerBounds.size.width, layerBounds.size.height);
-        CGPoint position { bounds.size.width / 2, bounds.size.height / 2 };
-        m_sampleBufferDisplayLayer.get().position = position;
-        m_sampleBufferDisplayLayer.get().bounds = bounds;
+        CGPoint layerPosition { layerBounds.size.width / 2, layerBounds.size.height / 2 };
+        m_sampleBufferDisplayLayer.get().position = layerPosition;
+        m_sampleBufferDisplayLayer.get().bounds = layerBounds;
 
         m_processingQueue->dispatch([this, weakThis = WTFMove(weakThis), newLayer = m_sampleBufferDisplayLayer, oldLayer = WTFMove(oldLayer), shouldUpdateRootLayer, bounds, rotation]() mutable {
             assertIsCurrent(workQueue());