add SatelliteAddress overwrite support for SH satellites too (#4052)

The GH SH runner needs to call the satellite through `earthly.local`
hostname.
This PR makes possible overwriting the satellite address also for SH
satellites.

cmd/earthly/base/buildkit.go

@@ -88,16 +88,15 @@ func (cli *CLI) ConfigureSatellite(cliCtx *cli.Context, cloudClient *cloud.Clien
 	} else {
 		cli.Console().Warnf("TLS has been disabled; this should never be done when connecting to Earthly's production API\n")
 	}
-
+	cli.Flags().BuildkitdSettings.SatelliteName = satelliteName
+	cli.Flags().BuildkitdSettings.SatelliteDisplayName = cli.Flags().SatelliteName
+	cli.Flags().BuildkitdSettings.SatelliteOrgID = orgID
 	cli.Flags().BuildkitdSettings.SatelliteIsManaged = sat.IsManaged
 	satelliteAddress := cli.Flags().SatelliteAddress
-	if !sat.IsManaged {
+	if !sat.IsManaged && satelliteAddress == "" {
 		// A self-hosted satellite uses its own address
 		satelliteAddress = fmt.Sprintf("tcp://%s", sat.Address)
 	}
-	cli.Flags().BuildkitdSettings.SatelliteName = satelliteName
-	cli.Flags().BuildkitdSettings.SatelliteDisplayName = cli.Flags().SatelliteName
-	cli.Flags().BuildkitdSettings.SatelliteOrgID = orgID
 	if satelliteAddress != "" {
 		cli.Flags().BuildkitdSettings.BuildkitAddress = satelliteAddress
 	} else {