prevent event from being used to enter a newline into editor
- fix unit test failure on Linux
Stop keydown events that we handle in dialogs, so no one else tries to handle the keyup
Fix a case when another button than primary is focused and user hits an enter key.
add unit test to catch this case; fix it
Merge pull request #8056 from adobe/ingo/fix-7816

Fix for [Linux Only] Extension Test Suite has failures #7816
Merge pull request #7493 from adobe/zaggino/fix-enter-dialogs

prevent event from being used to enter a newline into editor
Merge pull request #8094 from adobe/randy/issue-8085

Increase timeout for AnimationUtils.animateUsingClass()