Fix SiteURL in join team email (#4979)

cmd/platform/oldcommands.go

@@ -319,7 +319,8 @@ func cmdInviteUser() {
 		}
 
 		invites := []string{flagEmail}
-		api.InviteMembers(team, user.GetDisplayName(), invites)
+		c := getMockContext()
+		api.InviteMembers(team, user.GetDisplayName(), invites, c.GetSiteURL())
 
 		os.Exit(0)
 	}

cmd/platform/user.go

@@ -261,7 +261,7 @@ func inviteUser(email string, team *model.Team, teamArg string) {
 		CommandPrintErrorln("Can't find team '" + teamArg + "'")
 		return
 	}
-	api.InviteMembers(team, "Administrator", invites)
+	api.InviteMembers(team, "Administrator", invites, *utils.Cfg.ServiceSettings.SiteURL)
 	CommandPrettyPrintln("Invites may or may not have been sent.")
 }