fix(slides): Methods wait for execution until swiper is initialized (#15576)
fix(slides): Methods wait for execution until swiper is initialized (#15576)

* fix(slides): Methods wait to for execution until swiper is initialized

* fix(slides): Method is private and renamed to waitUntilReady

driftyco/ionic,driftyco/ionic,driftyco/ionic,driftyco/ionic,driftyco/ionic