Remove discarded blocks and states from database by default (#11983)

* 1.Add pruning param "canonical" in sc-cli.
2.Make PruningMode's default value to ArchiveCanonical.

* Update tests in sc-state-db.

* Update tests in sc-state-db.

* 1.Add a new value `AllWithNonFinalized` in `enum BlocksPruning` which Corresponds to `blocks_pruning 0` in CLI .
2.Change value `All` to `AllFinalized` in `enum BlocksPruning` and make it to keep full finalized block history.

* Make some corresponding adjustments based on the content in the conversation.

* Update client/db/src/lib.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Apply suggestions from code review.

* 1.Change `blocks_pruning` to be like `state_pruning` .

* Fmt and add some doc.

* Update client/cli/src/params/pruning_params.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update client/cli/src/params/pruning_params.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update doc.

* Change `new_test_with_tx_storage` to take `BlocksPruning`.

* Fmt

Co-authored-by: Bastian Köcher <git@kchr.de>

substrate/client/db/benches/state_access.rs

@@ -122,7 +122,7 @@ fn create_backend(config: BenchmarkConfig, temp_dir: &TempDir) -> Backend<Block>
 		trie_cache_maximum_size,
 		state_pruning: Some(PruningMode::ArchiveAll),
 		source: DatabaseSource::ParityDb { path },
-		blocks_pruning: BlocksPruning::All,
+		blocks_pruning: BlocksPruning::KeepAll,
 	};
 
 	Backend::new(settings, 100).expect("Creates backend")