org.elasticsearch.indices.recovery.RecoveryTarget#restoreFileFromSnapshot does not check for cancellation during the download of a file. This means that if a recovery is cancelled mid-way, we will still not release the store/shard-lock until the file is fully downloaded.
For large files or slow downloads this can lead to problems when the shard is (re-)allocated to a node that is still executing such an interrupted recovery.

-> we need to add some checks for cancellation here like we have for other recovery modes.
x-pack/plugin/snapshot-based-recoveries/src/internalClusterTest/java/org/elasticsearch/xpack/snapshotbasedrecoveries/recovery/SnapshotBasedIndexRecoveryIT.java
public InputStream readBlob(String blobName) throws IOException {
                    
                    if (blobName.startsWith("__") == false) {
                        return super.readBlob(blobName);
                    }
                    return new FilterInputStream(super.readBlob(blobName)) {
                        @Override
                        public int read(byte[] b, int off, int len) throws IOException {
                            if (randomBoolean()) {
                                
                                for (int i = 0; i < len; i++) {
                                    b[off + i] = randomByte();
                                }
                                return len;
                            } else {
                                if (randomBoolean()) {
                                    throw new IOException("Unable to read blob " + blobName);
                                } else {
                                    
                                    int read = super.read(b, off, len);
                                    return read / 2;
                                }
                            }
                        }
                    };
                }
            };
        }
    }
    public static class FilterFsRepository extends FsRepository {