add focus refresh + polling (#3846)

src/components/hooks/useRefreshOnFocus.ts

@@ -0,0 +1,17 @@
+import {useCallback, useRef} from 'react'
+import {useFocusEffect} from '@react-navigation/native'
+
+export function useRefreshOnFocus<T>(refetch: () => Promise<T>) {
+  const firstTimeRef = useRef(true)
+
+  useFocusEffect(
+    useCallback(() => {
+      if (firstTimeRef.current) {
+        firstTimeRef.current = false
+        return
+      }
+
+      refetch()
+    }, [refetch]),
+  )
+}