Fix animation end listeners so they are always removed (#17903)
Fixes ComboBox suggestion popup so that it will not automatically
close when clicking the popup button, if the user happened to
double click on the button earlier.
Change-Id: I60936f82133ca89c2aef0dccff68092a11deff1c
Automatic rename in Eclipse of the class Root to UI with all
rename options enabled, rename also embedded "Root" in
variable and method names.
The following classes/methods were excluded in the rename:
- BootstrapHandler.getApplicationCSSClassName()
- ComponentLocator
- ConnectorMap
- ItemClickEvent
- KeepAllItemsVisible
- MenuBarTest
- MenuBarTooltips
- TreeTableTest
- TreeWithIcons
- Trees
- VDebugConsole.printLayoutProblems()