Fix rare "Cannot read all data" bug in LowCardinality columns of MergeTree tables on remote file systems like S3

Fix bug which can rarely lead to error "Cannot read all data" while reading LowCardinality columns of MergeTree table engines family which stores data on remote file system like S3 (virtual filesystem over s3 is an experimental feature that is not ready for production). #34139 (alesapin).