Account for momentum when hiding minimal shell (#3740)

* Add optional momentum events to scroll context

* If there is a velocity, don't snap until momentum end

* Don't show bar on scroll down

* Rm onMomentumBegin

src/screens/Profile/Sections/Labels.tsx

@@ -123,6 +123,9 @@ export function ProfileLabelsSectionInner({
     onScroll(e, ctx) {
       contextScrollHandlers.onScroll?.(e, ctx)
     },
+    onMomentumEnd(e, ctx) {
+      contextScrollHandlers.onMomentumEnd?.(e, ctx)
+    },
   })
 
   const {labelValues} = labelerInfo.policies