Bug 358858: Double-click events may be fired when clicking while moving mouse

https://bugs.eclipse.org/bugs/show_bug.cgi?id=358858

(cherry picked from commit f0a9c95f8b9920011a9b4b216f55a01e65466ef5)
Bug 382736: [Menu] Context menu show preliminary "..."

https://bugs.eclipse.org/bugs/show_bug.cgi?id=382736

(cherry picked from commit c1d623838c37f72e1c921b041b8cfade34afff83)