[#883] adm: Use proxy contract as admin for frostfsid and policy contracts

Signed-off-by: Alex Vanin <a.vanin@yadro.com>

cmd/frostfs-adm/internal/modules/morph/initialize_deploy.go

@@ -546,7 +546,7 @@ func (c *initializeContext) getContractDeployData(ctrName string, keysParam []an
 		if found {
 			items = append(items, h)
 		} else {
-			items = append(items, nil)
+			items = append(items, c.Contracts[proxyContract].Hash)
 		}
 	case netmapContract:
 		md := getDefaultNetmapContractConfigMap()
@@ -582,7 +582,7 @@ func (c *initializeContext) getContractDeployData(ctrName string, keysParam []an
 	case proxyContract:
 		items = nil
 	case policyContract:
-		items = []any{nil}
+		items = append(items, c.Contracts[proxyContract].Hash)
 	default:
 		panic(fmt.Sprintf("invalid contract name: %s", ctrName))
 	}