Add `restoreKeybackup` to `CryptoApi`. (#4476)
* First draft of moving out restoreKeyBackup out of MatrixClient
* Deprecate `restoreKeyBackup*` in `MatrixClient`
* Move types
* Handle only the room keys response
* Renaming and refactor `keysCountInBatch` & `getTotalKeyCount`
* Fix `importRoomKeysAsJson` tsdoc
* Fix typo
* Move `backupDecryptor.free()``
* Comment and simplify a bit `handleDecryptionOfAFullBackup`
* Fix decryption crash by moving`backupDecryptor.free`
* Use new api in `megolm-backup.spec.ts`
* Add tests to get recovery key from secret storage
* Add doc to `KeyBackupRestoreOpts` & `KeyBackupRestoreResult`
* Add doc to `restoreKeyBackupWithKey`
* Add doc to `backup.ts`
* Apply comment suggestions
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
* - Decryption key is recovered from the cache in `RustCrypto.restoreKeyBackup`
- Add `CryptoApi.getSecretStorageBackupPrivateKey` to get the decryption key from the secret storage.
* Add `CryptoApi.restoreKeyBackup` to `ImportRoomKeyProgressData` doc.
* Add deprecated symbol to all the `restoreKeyBackup*` overrides.
* Update tests
* Move `RustBackupManager.getTotalKeyCount` to `backup#calculateKeyCountInKeyBackup`
* Fix `RustBackupManager.restoreKeyBackup` tsdoc
* Move `backupDecryptor.free` in rust crypto.
* Move `handleDecryptionOfAFullBackup` in `importKeyBackup`
* Rename `calculateKeyCountInKeyBackup` to `countKeystInBackup`
* Fix `passphrase` typo
* Rename `backupInfoVersion` to `backupVersion`
* Complete restoreKeyBackup* methods documentation
* Add `loadSessionBackupPrivateKeyFromSecretStorage`
* Remove useless intermediary result variable.
* Check that decryption key matchs key backup info in `loadSessionBackupPrivateKeyFromSecretStorage`
* Get backup info from a specific version
* Fix typo in `countKeysInBackup`
* Improve documentation and naming
* Use `RustSdkCryptoJs.BackupDecryptionKey` as `decryptionKeyMatchesKeyBackupInfo` parameter.
* Call directly `olmMachine.getBackupKeys` in `restoreKeyBackup`
* Last review changes
---------
Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
