create secondary-font-color class

packages/rocketchat-chatops/client/views/codemirror.html

packages/rocketchat-emoji-custom/admin/adminEmoji.html

packages/rocketchat-emoji/emojiPicker.html

...tchat-integrations/client/views/integrationsIncoming.html

packages/rocketchat-livechat/app/client/views/messages.html

...ketchat-livechat/client/views/app/tabbar/visitorInfo.html

packages/rocketchat-logger/client/views/viewLogs.coffee

packages/rocketchat-logger/client/views/viewLogs.html

packages/rocketchat-mailer/client/views/mailer.html

...hat-oauth2-server-config/admin/client/views/oauthApp.html

packages/rocketchat-theme/server/colors.less

...ges/rocketchat-ui-account/account/accountPreferences.html

packages/rocketchat-ui-admin/admin/admin.html

packages/rocketchat-ui-admin/admin/rooms/adminRooms.html

packages/rocketchat-ui-admin/admin/users/adminUsers.html

...ages/rocketchat-ui-flextab/flex-tab/tabs/membersList.html

...es/rocketchat-ui-flextab/flex-tab/tabs/messageSearch.html

packages/rocketchat-ui-flextab/flex-tab/tabs/userInfo.html

packages/rocketchat-ui-message/message/messageBox.html

...ges/rocketchat-ui-sidenav/side-nav/createChannelFlex.html