fix(nav): swipe to go back gesture

- smoother by debouncing touch events (reduces bank)
- dynamic animation duration
- intelligent behavior based in the position, speed and direccion of the swipe (sharing logic with sliding item)

fixes #8919
fixes #8958
fixes #7934

src/platform/platform-registry.ts

@@ -110,7 +110,6 @@ export const PLATFORM_CONFIGS: {[key: string]: PlatformConfig} = {
       swipeBackThreshold: 40,
       tapPolyfill: isIOSDevice,
       virtualScrollEventAssist: !(window.indexedDB),
-      canDisableScroll: isIOSDevice,
     },
     isMatch(p: Platform) {
       return p.isPlatformMatch('ios', ['iphone', 'ipad', 'ipod'], ['windows phone']);