fix(cloud): show owner model balance and enforce single owner (#2384)

* fix(cloud): show owner model balance and enforce single owner

* fix(migrations): create owner index idempotently

---------

Co-authored-by: dadachann <185672915+dadachann@users.noreply.github.com>

web/src/app/home/components/workspace-settings/WorkspaceSettingsPanel.tsx

@@ -79,7 +79,6 @@ export default function WorkspaceSettingsPanel({
   const canInvite = permissions.has('member.invite');
   const canUpdateMembers = permissions.has('member.update_role');
   const canRemoveMembers = permissions.has('member.remove');
-  const canTransferOwner = permissions.has('owner.transfer');
   const cloudPortalURL = workspaceInfo
     ? `${systemInfo.cloud_service_url.replace(/\/$/, '')}/cloud?workspace=${encodeURIComponent(workspaceInfo.workspace.uuid)}&step=plan`
     : '';
@@ -342,11 +341,6 @@ export default function WorkspaceSettingsPanel({
                                 {t(`workspace.roles.${role}`)}
                               </SelectItem>
                             ))}
-                            {canTransferOwner && (
-                              <SelectItem value="owner">
-                                {t('workspace.transferOwnership')}
-                              </SelectItem>
-                            )}
                           </SelectContent>
                         </Select>
                       )}