Feature/backup tracking (#940)

* Include tracking in validation of backup

* Always return track records

Not clear why an empty list should be returned in case no trackers are logged in

* Include tracking in backup creation

* Restore tracking from backup

server/src/main/kotlin/suwayomi/tachidesk/graphql/queries/BackupQuery.kt

@@ -16,14 +16,20 @@ class BackupQuery {
         val name: String,
     )
 
+    data class ValidateBackupTracker(
+        val name: String,
+    )
+
     data class ValidateBackupResult(
         val missingSources: List<ValidateBackupSource>,
+        val missingTrackers: List<ValidateBackupTracker>,
     )
 
     fun validateBackup(input: ValidateBackupInput): ValidateBackupResult {
         val result = ProtoBackupValidator.validate(input.backup.content)
         return ValidateBackupResult(
             result.missingSourceIds.map { ValidateBackupSource(it.first, it.second) },
+            result.missingTrackers.map { ValidateBackupTracker(it) },
         )
     }