Instead of pinning the suggestionsTableView horizontally to the overall view, pin the left and right edges to match the replyTextView exactly.  This avoids a ridiculously wide suggestionsTableView on iPads
Merge pull request #2875 from wordpress-mobile/issue/2874-reader-comment-reply-mention-suggestions-too-wide-on-ipad

Instead of pinning the suggestionsTableView horizontally to the overall ...