Add manga-wised rotation mode settings (#4841)

* Add manga-wised rotation mode settings

Based on #3522

Co-authored-by: bboyz269 <4453811+bboyz269@users.noreply.github.com>

* Fix small mistakes

* Complete TODOs

* Rename functions

rotation -> orientation

* Fix orientation icon not changing

Bug from video

* Fix bug with force portrait not being force if a default value

Bug from video

* Backup viewer_flag as a seperate field in so legacy/forks doesn't crash

* Make viewer_flags nullable so old backups viewer gets restored

* Add migration for old rotation and viewer to new defaults ones

* Rename variable in enums

* Fix migration after OrientationType was changed

* Remove untrue comment

Co-authored-by: bboyz269 <4453811+bboyz269@users.noreply.github.com>

app/src/main/java/eu/kanade/tachiyomi/data/backup/full/models/BackupManga.kt

@@ -25,7 +25,7 @@ data class BackupManga(
     // @ProtoNumber(11) val lastUpdate: Long = 0, 1.x value, not used in 0.x
     // @ProtoNumber(12) val lastInit: Long = 0, 1.x value, not used in 0.x
     @ProtoNumber(13) var dateAdded: Long = 0,
-    @ProtoNumber(14) var viewer: Int = 0,
+    @ProtoNumber(14) var viewer: Int = 0, // Replaced by viewer_flags
     // @ProtoNumber(15) val flags: Int = 0, 1.x value, not used in 0.x
     @ProtoNumber(16) var chapters: List<BackupChapter> = emptyList(),
     @ProtoNumber(17) var categories: List<Int> = emptyList(),
@@ -34,6 +34,7 @@ data class BackupManga(
     @ProtoNumber(100) var favorite: Boolean = true,
     @ProtoNumber(101) var chapterFlags: Int = 0,
     @ProtoNumber(102) var history: List<BackupHistory> = emptyList(),
+    @ProtoNumber(103) var viewer_flags: Int? = null
 ) {
     fun getMangaImpl(): MangaImpl {
         return MangaImpl().apply {
@@ -48,7 +49,7 @@ data class BackupManga(
             favorite = this@BackupManga.favorite
             source = this@BackupManga.source
             date_added = this@BackupManga.dateAdded
-            viewer = this@BackupManga.viewer
+            viewer_flags = this@BackupManga.viewer_flags ?: this@BackupManga.viewer
             chapter_flags = this@BackupManga.chapterFlags
         }
     }
@@ -79,7 +80,8 @@ data class BackupManga(
                 favorite = manga.favorite,
                 source = manga.source,
                 dateAdded = manga.date_added,
-                viewer = manga.viewer,
+                viewer = manga.readingModeType,
+                viewer_flags = manga.viewer_flags,
                 chapterFlags = manga.chapter_flags
             )
         }

app/src/main/java/eu/kanade/tachiyomi/data/backup/legacy/serializer/MangaTypeAdapter.kt

@@ -16,7 +16,7 @@ object MangaTypeAdapter {
                 value(it.url)
                 value(it.title)
                 value(it.source)
-                value(it.viewer)
+                value(it.viewer_flags)
                 value(it.chapter_flags)
                 endArray()
             }
@@ -27,7 +27,7 @@ object MangaTypeAdapter {
                 manga.url = nextString()
                 manga.title = nextString()
                 manga.source = nextLong()
-                manga.viewer = nextInt()
+                manga.viewer_flags = nextInt()
                 manga.chapter_flags = nextInt()
                 endArray()
                 manga