[FEAT]: 영상 재생이 끝나면 처음으로 돌아가도록 수정

Feature/Feature/SharedVideoEditView/View/VideoPlayer/VideoPlayerView.swift

@@ -124,6 +124,13 @@ private extension VideoPlayerView {
 // MARK: - Binding
 private extension VideoPlayerView {
 	func setupViewBinding() {
+        NotificationCenter.default
+            .publisher(for: .AVPlayerItemDidPlayToEndTime, object: player.currentItem)
+            .sink(with: self) { owner, _ in
+                owner.handleVideoCompletion()
+            }
+            .store(in: &cancellables)
+
 		// Thanks to LURKS02
 		playPauseButton.publisher(for: .touchUpInside)
 			.receive(on: DispatchQueue.main)
@@ -196,4 +203,13 @@ private extension VideoPlayerView {
 		let seekTime = CMTime(seconds: newTime, preferredTimescale: 1)
 		player.seek(to: seekTime)
 	}
+
+    func handleVideoCompletion() {
+        seekingSlider.value = 100
+
+        let image = UIImage(systemName: "play.circle.fill")
+        playPauseButton.setImage(image, for: .normal)
+
+        player.seek(to: .zero)
+    }
 }