Change all the places to use the inner flex tab

client/routes/adminRouter.js

client/routes/router.js

packages/rocketchat-authorization/client/route.coffee

...-messages/client/views/channelSettingsMailMessages.coffee

...ail-messages/client/views/mailMessagesInstructions.coffee

...etchat-channel-settings/client/lib/ChannelSettings.coffee

.../rocketchat-channel-settings/client/startup/tabBar.coffee

...chat-channel-settings/client/views/channelSettings.coffee

packages/rocketchat-chatops/client/tabBar.coffee

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

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

packages/rocketchat-emoji-custom/admin/emojiEdit.js

packages/rocketchat-emoji-custom/admin/emojiInfo.js

packages/rocketchat-emoji-custom/admin/route.js

packages/rocketchat-i18n/i18n/en.i18n.json

packages/rocketchat-i18n/i18n/pt.i18n.json

packages/rocketchat-integrations/client/route.coffee

packages/rocketchat-lib/client/TabBar.coffee

packages/rocketchat-lib/client/defaultTabBars.js

packages/rocketchat-lib/client/lib/RocketChatTabBar.js