Chapters: allow user to disable thumbnails

Chapters have their own section is the settings. The users can decide if chapter thumbnails should be shown or not. Also they can decide to only show thumbnails if they are not the same.

The VideoDetailsView had to be modified, to avoid compiler type-checking errors.

Shared/Player/Video Details/ChaptersView.swift

@@ -5,18 +5,16 @@ import SwiftUI
 struct ChaptersView: View {
     @ObservedObject private var player = PlayerModel.shared
     @Binding var expand: Bool
+    let chaptersHaveImages: Bool
+    let showThumbnails: Bool
 
     var chapters: [Chapter] {
         player.videoForDisplay?.chapters ?? []
     }
 
-    var chaptersHaveImages: Bool {
-        chapters.allSatisfy { $0.image != nil }
-    }
-
     var body: some View {
         if !chapters.isEmpty {
-            if chaptersHaveImages {
+            if chaptersHaveImages, showThumbnails {
                 #if os(tvOS)
                     List {
                         Section {
@@ -70,7 +68,7 @@ struct ChaptersView: View {
         private func chapterViews(for chaptersToShow: ArraySlice<Chapter>, opacity: Double = 1.0, clickable: Bool = true) -> some View {
             ForEach(Array(chaptersToShow.indices), id: \.self) { index in
                 let chapter = chaptersToShow[index]
-                ChapterView(chapter: chapter, chapterIndex: index)
+                ChapterView(chapter: chapter, chapterIndex: index, showThumbnail: showThumbnails)
                     .opacity(index == 0 ? 1.0 : opacity)
                     .allowsHitTesting(clickable)
             }
@@ -80,7 +78,7 @@ struct ChaptersView: View {
 
 struct ChaptersView_Previews: PreviewProvider {
     static var previews: some View {
-        ChaptersView(expand: .constant(false))
+        ChaptersView(expand: .constant(false), chaptersHaveImages: false, showThumbnails: true)
             .injectFixtureEnvironmentObjects()
     }
 }