Fix console warnings

app/imports/ui/components/admin/GroupUsersList.jsx

app/imports/ui/components/groups/GroupAvatar.jsx

app/imports/ui/components/groups/GroupDetails.jsx

app/imports/ui/components/groups/GroupDetailsPersSpace.jsx

app/imports/ui/components/notifications/Notification.jsx

app/imports/ui/pages/PersonalPage.jsx

app/imports/ui/pages/articles/ArticlesPage.jsx

app/imports/ui/pages/articles/PublicArticlePage.jsx

app/imports/ui/pages/groups/GroupsPage.jsx

app/imports/ui/pages/services/ServicesPage.jsx

app/imports/ui/themes/dark.js

app/imports/ui/themes/light.js