try-finally block for ptr

src/screens/Hashtag.tsx

@@ -195,8 +195,11 @@ function HashtagScreenTab({
 
   const onRefresh = React.useCallback(async () => {
     setIsPTR(true)
-    await refetch()
-    setIsPTR(false)
+    try {
+      await refetch()
+    } finally {
+      setIsPTR(false)
+    }
   }, [refetch])
 
   const onEndReached = React.useCallback(() => {

src/screens/Topic.tsx

@@ -160,8 +160,11 @@ function TopicScreenTab({
 
   const onRefresh = React.useCallback(async () => {
     setIsPTR(true)
-    await refetch()
-    setIsPTR(false)
+    try {
+      await refetch()
+    } finally {
+      setIsPTR(false)
+    }
   }, [refetch])
 
   const onEndReached = React.useCallback(() => {

src/view/screens/Profile.tsx

@@ -360,8 +360,11 @@ function ProfileScreenLoaded({
 
   const onRefresh = async () => {
     setIsRefreshing(true)
-    await postFeedRef.current?.refreshFeed()
-    setIsRefreshing(false)
+    try {
+      await postFeedRef.current?.refreshFeed()
+    } finally {
+      setIsRefreshing(false)
+    }
   }
 
   // rendering