Explicitly declared network aliases are being removed

[piksel]

It seems like code from #1699 removes necessary labels added by docker compose.
Before restarting:

"Networks": {
      "cartman": {
          "IPAMConfig": null,
          "Links": null,
          "Aliases": [
              "backend",
              "4fcb8f2cd0cf"
          ],
          "NetworkID": "436b4634c942dc7ed8dbc91264b2902f963835297b8e79de174a303c3e512efe",
          "EndpointID": "20200dd70ca0b2d4c78e7382d1fd532b42b3d75d0591aacdc271d01c42c5a812",

After restarting:

 "Networks": {
      "cartman": {
          "IPAMConfig": null,
          "Links": null,
          "Aliases": [
              "8a165377fbb4"
          ],
          "NetworkID": "436b4634c942dc7ed8dbc91264b2902f963835297b8e79de174a303c3e512efe",
          "EndpointID": "e04e0ed1ef91c9c98c1b793172a8983e131d196ad13d1e8ec46b4b8affb61398",

Docker compose added service name backend to container's aliases, but after restarting it's not available anymore.

Originally posted by @estromenko in #521 (comment)