fix(md): fix flicker when navigating back in MD mode on certain Android devices (#19553)

fixes #19491

Author: liamdebeasi

core/src/utils/transition/md.transition.ts

@@ -50,6 +50,7 @@ export const mdTransitionAnimation = (_: HTMLElement, opts: TransitionOptions):
     const leavingPage = createAnimation();
     leavingPage
       .addElement(getIonPageElement(leavingEl))
+      .afterStyles({ 'display': 'none' })
       .fromTo('transform', `translateY(${CENTER})`, `translateY(${OFF_BOTTOM})`)
       .fromTo('opacity', 1, 0);