Avoid showing the guest's notification toggles at client's settings if the guest
policy isn't `ASK_MODERATOR`.

this also fixes certain poll type detection for other languages than english,
so that the correct poll type is sent in the events (they were being detected as custom)

* adds unability to see screenshare button on mobile devices test specs

* simplify code in testMobileDevice()

* userlist and chat panels should not appear at page load in mobile devices

* lint

* updates outdated audio specs due to leaveAudio changes

* correct clicks on disconnectAudio elements

* whiteboard not visible on userlistPanel or on chatPanel

* reworks mobile devices/usersagents

* fixes screenshare mobile/tablet specs

* adds whiteboardNotAppearOnMobile spec

* adds Chat Panel specification to Mobile-Tablet specs

* simplify getArgs() functions for all devices

Fix prolems with ":" char in answers.
Respect poll question formatting (lineBreaks/spaces) in other fields of UI

BigBlueButton v2.3 uses an instance prefix while generating padIds. Closed
captions was missing this information when updating pad's content for dictation
mode.

This interaction occurs between Etherpad and Meteor.

Add PollPublishedRecordEvent with all infos (also fix duplicated handlePollStoppedEvtMsg)
Add answer text to UserRespondedToPollRecordEvent (useful for custom answers)
Add type in PollStartedRecordEvent

improve done translation in pt_br