[FIX] Administration UI issues (#15934)

.eslintignore

.eslintrc

app/lib/server/methods/removeOAuthService.js

app/livechat/client/views/app/livechatAppearance.html

app/livechat/client/views/app/livechatAppearance.js

app/theme/client/index.js

app/theme/client/vendor/jscolor.js

app/theme/server/variables.js

app/ui-admin/client/admin.html

app/ui-admin/client/admin.js

app/ui-admin/client/index.js

client/components/admin/settings/Section.js

client/components/admin/settings/Setting.js

client/components/admin/settings/SettingsState.js

client/components/admin/settings/groups/AssetsGroupPage.js

client/components/admin/settings/groups/OAuthGroupPage.js

client/components/admin/settings/inputs/AssetSettingInput.js

client/components/providers/TranslationProvider.js

client/importPackages.js

package-lock.json