Tooltip: Avoid creating an unnecessary tooltip when `Tooltip#hide` is called
Tooltip: Avoid creating an unnecessary tooltip when `Tooltip#hide` is called

Fixed performance bug where a tooltip element is created and then immediately destroyed when tooltip.hide() is called and there is no existing tooltip element

Resolves #15557 by merging it.

ammula88/bootstrap,ammula88/bootstrap,ammula88/bootstrap,ammula88/bootstrap