clone: read custom icon from downloaded backup

the backups table does not have icon to save space. only the
archives table has it for the moment.

src/apps.js

@@ -2437,9 +2437,7 @@ async function clone(app, data, user, auditSource) {
 
     const newAppId = uuid.v4();
 
-    const icons = await getIcons(app.id);
-
-    // label, icon, checklist intentionally omitted
+    // label, checklist intentionally omitted . icon is loaded in apptask from the backup
     const dolly = _.pick(backupInfo.appConfig || app, 'memoryLimit', 'cpuQuota', 'crontab', 'reverseProxyConfig', 'env', 'servicesConfig', 'tags', 'devices',
         'enableMailbox', 'mailboxDisplayName', 'mailboxName', 'mailboxDomain', 'enableInbox', 'inboxName', 'inboxDomain', 'debugMode',
         'enableTurn', 'enableRedis', 'mounts', 'enableBackup', 'enableAutomaticUpdate', 'accessRestriction', 'operators', 'sso',
@@ -2456,7 +2454,6 @@ async function clone(app, data, user, auditSource) {
         redirectDomains: [],
         aliasDomains: [],
         label: dolly.label ? `${dolly.label}-clone` : '',
-        icon: icons.icon,
     });
 
     const [addError] = await safe(add(newAppId, appStoreId, manifest, subdomain, domain, portBindings, obj));