fix(manga/details): NPE on tablets

CHANGELOG.md

@@ -10,14 +10,4 @@
 ## Other  ?? Technical stuff, what happened behind the scene
 -->
 ## Fixes
-- Fixed crashes caused by certain extension implementation
+- Fixed NPE crash on tablets
-- Fixed "Theme buttons based on cover" doesn't work properly
-- Fixed library cover images looks blurry then become sharp after going to
-  entry's detail screen
-
-## Other
-- More StorIO to SQLDelight migration effort
-- Update dependency dev.chrisbanes.compose:compose-bom to v2024.08.00-alpha02
-- Update kotlin monorepo to v2.0.20
-- Update aboutlibraries to v11.2.3
-- Remove dependency com.github.leandroBorgesFerreira:LoadingButtonAndroid

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsPresenter.kt

@@ -147,6 +147,19 @@ class MangaDetailsPresenter(
 
     val headerItem: MangaHeaderItem by lazy { MangaHeaderItem(mangaId, view?.fromCatalogue == true)}
     var tabletChapterHeaderItem: MangaHeaderItem? = null
+        get() {
+            when (view?.isTablet) {
+                true -> if (field == null) {
+                    field = MangaHeaderItem(mangaId, false).apply {
+                        isChapterHeader = true
+                    }
+                }
+                else -> if (field != null) {
+                    field = null
+                }
+            }
+            return field
+        }
         private set
 
     var allChapterScanlators: Set<String> = emptySet()
@@ -160,11 +173,6 @@ class MangaDetailsPresenter(
 
         downloadManager.addListener(this)
 
-        LibraryUpdateJob.updateFlow
-            .filter { it == mangaId }
-            .onEach { onUpdateManga() }
-            .launchIn(presenterScope)
-
         tracks = db.getTracks(manga).executeAsBlocking()
     }
 
@@ -174,6 +182,11 @@ class MangaDetailsPresenter(
     fun onCreateLate() {
         val controller = view ?: return
 
+        LibraryUpdateJob.updateFlow
+            .filter { it == mangaId }
+            .onEach { onUpdateManga() }
+            .launchIn(presenterScope)
+
         if (manga.isLocal()) {
             refreshAll()
         } else if (!manga.initialized) {
@@ -220,11 +233,6 @@ class MangaDetailsPresenter(
             isTablet = view?.isTablet == true
             isLocked = isLockedFromSearch
         }
-        if (view?.isTablet == true) {
-            tabletChapterHeaderItem = MangaHeaderItem(mangaId, false).apply {
-                isChapterHeader = true
-            }
-        }
     }
 
     suspend fun getChaptersNow(): List<ChapterItem> {