Block the player dismiss pan from starting on side sliders

The window-level dismiss pan recognizes before SwiftUI's slider
DragGesture sets isAdjustingPlayerSliders, so dragging volume or
brightness often dismissed the player instead. Side sliders now publish
their frames and the pan refuses to begin from touches inside them.

Yattee/Views/Player/PlayerControlsView.swift

@@ -1443,6 +1443,21 @@ struct PlayerControlsView: View {
             .modifier(SideSliderBackgroundModifier(buttonBackground: buttonBackground, theme: theme))
             .opacity(playerState.isControlsLocked ? 0.5 : 1.0)
             .allowsHitTesting(!playerState.isControlsLocked)
+            // Publish the slider frame (with slop) so the window-level dismiss
+            // pan never begins from a slider drag
+            .background {
+                GeometryReader { proxy in
+                    let isActive = shouldShowControls && !playerState.isControlsLocked
+                    let frame = isActive ? proxy.frame(in: .global).insetBy(dx: -12, dy: -12) : .zero
+                    Color.clear
+                        .onChange(of: frame, initial: true) { _, frame in
+                            appEnvironment?.navigationCoordinator.playerSideSliderFrames[isLeading] = frame
+                        }
+                        .onDisappear {
+                            appEnvironment?.navigationCoordinator.playerSideSliderFrames[isLeading] = nil
+                        }
+                }
+            }
         }
     }