Before we can eradicate the numerical sstable generations,
This series completes https://github.com/scylladb/scylladb/issues/20337
by disabling the use of numerical sstable generations where we can
and making sure the feature is never disabled.
Note that until the cluster feature is enabled in the startup process on first boot, numerical generation might be used for local system tables.
Refs #24248
* Enhancement. No backport required
Closesscylladb/scylladb#24554
* github.com:scylladb/scylladb:
feature_service: never disable UUID_SSTABLE_IDENTIFIERS
test: sstable_move_test: always use uuid sstable generation
test: sstable_directory_test: always use uuid sstable generation
sstables: sstable_generation_generator: set last_generation=0 by default
test: database_test: test_distributed_loader_with_pending_delete: use uuid sstable generation
test: lib: test_env: always use uuid sstable generation
test: sstable_test: always use uuid sstable generation
test: sstable_resharding_test::sstable_resharding_over_s3_test: use default use_uuid in config
test: sstable_datafile_test: compound_sstable_set_basic_test: use uuid sstable generation
test: sstable_compaction_test: always use uuid sstable generation
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