Picks 8.10.2 (#11908)

Picks 8.10.2 (#11908)

* Removing code causing the  trouble (#11898)

* Removing code causing the  trouble

Removing code that was apparently not needed in previous fix and caused regression

Fixes: https://github.com/vaadin/framework/issues/11895
* Added feature to test UI

* Added test case

* Adding missing import

* Fixing test UI

* Enable DateField

* Rewrote debouncing of onResize (#11899)

* Rewrote debouncing of onResize

Fixes https://github.com/vaadin/framework/issues/11892

* Fixing typo in variable name

* Adding missing setPopupPosition(left, top); (#11902)

* Adding missing setPopupPosition(left, top);

setPopupPosition(left, top); needs to be called in order to top position to be set

Fixes https://github.com/vaadin/framework/issues/11894

Co-authored-by: Tatu Lund <tatu@vaadin.com>