docs: return visibility settings from canister_status in the abstract model (#344)

The record produced by canister_status omitted log_visibility,
snapshot_visibility, and status_visibility although
definite_canister_settings in ic.did declares all three.

Author: mraszyk

docs/references/ic-interface-spec/abstract-behavior.md

@@ -1975,6 +1975,9 @@ canister_status(S, Canister_id) =
         freezing_threshold = S.freezing_threshold[Canister_id];
         reserved_cycles_limit = S.reserved_balance_limit[Canister_id];
         minimum_incoming_canister_call_cycles = S.minimum_incoming_canister_call_cycles[Canister_id];
+        log_visibility = S.canister_log_visibility[Canister_id];
+        snapshot_visibility = S.canister_snapshot_visibility[Canister_id];
+        status_visibility = S.canister_status_visibility[Canister_id];
         wasm_memory_limit = S.wasm_memory_limit[Canister_id];
         wasm_memory_threshold = S.wasm_memory_threshold[Canister_id];
         environment_variables = S.environment_variables[Canister_id];