Make a protobuf based backup system (#3936)

* Make a protobuf based backup system

* Cleanup

* More cleanup

* Fix restores always loading the full backup restore, even when legacy restore was used

* Make offline the default

(cherry picked from commit f6fd8a8ddb90869f3e28fd8fcd81a2125f8e0527)

* Find chapter based on the url

(cherry picked from commit 326dc2700944a60da381d82cd9782c5f0d335902)

* Dont break after finding one chapter

(cherry picked from commit f91d1af37398619cf371e4920b60f6d309799c74)

* Also apply changes to online restore

(cherry picked from commit e7c16cd0d14ea5d50ce4a9a3dfa8ca768be702f2)

* Rewrite backup categories

(cherry picked from commit f4200e2146a9c540675767206ed4664894aa1216)

* Dedupe some code, move over read and bookmarks properly

(cherry picked from commit d9ce86aca66945c831670a1523d8bc69966312df)

* Move some functions to the abstract backup manager

(cherry picked from commit b0c658741a2f506bc31823f1f0347772bc119d2e)

# Conflicts:
#	app/src/main/java/eu/kanade/tachiyomi/data/backup/full/FullBackupManager.kt
#	app/src/main/java/eu/kanade/tachiyomi/data/backup/legacy/LegacyBackupManager.kt

* Fix some backup duplication issues

(cherry picked from commit a4a1c2827c4537d2d07a0cb589dc1c3be1d65185)

# Conflicts:
#	app/src/main/java/eu/kanade/tachiyomi/data/backup/legacy/LegacyBackupManager.kt

* Fix a missed bundleOf

* So glad this wasnt merged before now, everything should be working with this commit

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt

@@ -181,6 +181,8 @@ object PreferenceKeys {
 
     const val incognitoMode = "incognito_mode"
 
+    const val createLegacyBackup = "create_legacy_backup"
+
     fun trackUsername(syncId: Int) = "pref_mangasync_username_$syncId"
 
     fun trackPassword(syncId: Int) = "pref_mangasync_password_$syncId"

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt

@@ -271,6 +271,8 @@ class PreferencesHelper(val context: Context) {
 
     fun incognitoMode() = flowPrefs.getBoolean(Keys.incognitoMode, false)
 
+    fun createLegacyBackup() = flowPrefs.getBoolean(Keys.createLegacyBackup, false)
+
     fun setChapterSettingsDefault(manga: Manga) {
         prefs.edit {
             putInt(Keys.defaultChapterFilterByRead, manga.readFilter)