Revert "Revert "Revert "Revert "Revert "Revert "Revert "Revert "Tooltip: on close and destroy only set title if empty or undefined. Fixed #8925 - Changes to title attribute are reverted on close""""""""

This reverts commit 8fd00311234e65f1105a8c59990883e6f5ea08ea.
Revert 6d7a614..ce588f9

This rolls back to commit 6d7a61478f143b955807d357c210de8f0390f274.