Turn on shared object congestion control in tests and devnet (#18407)

## Description 

Action following release schedule.

## Test plan 

How did you test the new or updated feature?

---

## Release notes

Check each box that your changes affect. If none of the boxes relate to
your changes, release notes aren't required.

For each box you select, include information after the relevant heading
that describes the impact of your changes that a user might notice and
any actions they must take to implement updates.

- [ ] Protocol: 
- [ ] Nodes (Validators and Full nodes): 
- [ ] Indexer: 
- [ ] JSON-RPC: 
- [ ] GraphQL: 
- [ ] CLI: 
- [ ] Rust SDK:

crates/sui-protocol-config/src/lib.rs

@@ -2455,6 +2455,13 @@ impl ProtocolConfig {
 
                     cfg.config_read_setting_impl_cost_base = Some(100);
                     cfg.config_read_setting_impl_cost_per_byte = Some(40);
+
+                    // Turn on shared object congestion control in devnet.
+                    if chain != Chain::Testnet && chain != Chain::Mainnet {
+                        cfg.max_accumulated_txn_cost_per_object_in_checkpoint = Some(100);
+                        cfg.feature_flags.per_object_congestion_control_mode =
+                            PerObjectCongestionControlMode::TotalTxCount;
+                    }
                 }
                 // Use this template when making changes:
                 //

crates/sui-protocol-config/src/snapshots/sui_protocol_config__test__version_52.snap

@@ -47,6 +47,7 @@ feature_flags:
   enable_group_ops_native_functions: true
   enable_group_ops_native_function_msm: true
   reject_mutable_random_on_entry_functions: true
+  per_object_congestion_control_mode: TotalTxCount
   consensus_choice: Mysticeti
   consensus_network: Tonic
   zklogin_max_epoch_upper_bound_delta: 30
@@ -291,6 +292,7 @@ random_beacon_min_round_interval_ms: 200
 random_beacon_dkg_version: 1
 consensus_max_transaction_size_bytes: 262144
 consensus_max_transactions_in_block_bytes: 6291456
+max_accumulated_txn_cost_per_object_in_checkpoint: 100
 max_deferral_rounds_for_congestion_control: 10
 min_checkpoint_interval_ms: 200
 checkpoint_summary_version_specific_data: 1