* Add more messages button
* Update existing tests
* Various fixes:
* Use viewAreaCoveragePercentThreshold over itemVisiblePercentThreshold
* Remove currentUserId check when adding New Message line to postIds and
instead update the channel last viewed time when an own post is received
* Update snapshots
* Add showMoreMessagesButton prop and default to false
* Android fixes
* Add tests
* Localize more messages text
* Use FormattedText
* i18 extract
* Style fixes
* Account for network indicator
* Fix for failing tests
* Various fixes:
* Set the unreadMessageCount when POST_UNREAD_SUCCESS is dispatched
with a positive deltaMsgs
* Hide the more messages button when the unread count decreases or
when the new message line is removed shortly after loading the
channel
* No need for POST_UNREAD_SUCCESS if we manually call onViewableItemsChanged
* Reset unread count if current channel on channel mount
* Animate text opacity
* Compare indeces to determine when scrolling has ended
* Fix opacity animation trigger
* try with scrolling to the last rendered item
* Add onScrollEndIndex
* Improve animations
* Don't track moreCount in state
* Use moreText over prevNewMessageLineIndex to determine firstPage
* Update intl message format and call cancel in componentDidUpdate when needed
* Fix intl format
* Remove opacity animation and countText
* Fix pressed not being reset
* No need to separate intl func
* Return after resetting
* Fix accidental removal of setState call
* Reset pressed when newLineMessageIndex changes
* Use default windowSize and lower POST_CHUNK_SIZE and delays
* Queue a cancel timer that gets cleared only when the newMessageLineIndex changes
* Define uncancel func
* Increase cancelTimer delay
* Subtract read posts from unread count and account for retry indicator
* Add retry bar indicator tests
* Use props.unreadCount
* Fix handling of newMessageLineIndex change
* Fix handling of newMessageLineIndex change take 2
* Fix handling of newMessageLineIndex change take 3
* Use 'native' TouchableWithFeedback with dark overlay
* Fix handling of manually unread
* Update chunk and window sizes
* Fix hsl
* Update text only when newMessageLineIndex/endIndex is reached
* Don't delay cancel if when no more unreads
* Fixes for when opening the app
* No need to process viewableItems when unreadCount is 0
* Remove line
* Don't show if unreadCount is 0
Co-authored-by: Elias Nahum <nahumhbl@gmail.com>