Set the chaincodes package IDs once they are created

To block duplicate package IDs, chaincodes package IDs
will be set when they're created.

Signed-off-by: dodo920306 <dodo920306@gmail.com>

Author: dodo920306

src/api-engine/chaincode/service.py

@@ -52,7 +52,6 @@ def create_chaincode(
         creator=user,
         description=description,
     )
-    chaincode.save()
     chaincode.peers.add(*peers)
 
     peer_envs = get_peers_root_certs_and_addresses_and_envs(
@@ -88,9 +87,6 @@ def install_chaincode(organization: Organization, chaincode: Chaincode) -> None:
         chaincode.peers
     )[2]
 
-    if chaincode.package_id is None:
-        _set_chaincode_package_id(peer_envs[0], chaincode)
-
     _install_chaincode_with_envs(peer_envs, chaincode)