v3: fixed journal view not scrolling, fixed some user profile layout bugs, increase thumbnail size on the index

src/hooks/useUserDumpFeed.ts

@@ -1,5 +1,5 @@
 import {
-  type RefObject,
+  type Ref,
   useCallback,
   useEffect,
   useLayoutEffect,
@@ -41,7 +41,7 @@ interface UseUserDumpFeedResult {
   state: State;
   setState: React.Dispatch<React.SetStateAction<State>>;
   setItems: (fn: (prev: Dump[]) => Dump[]) => void;
-  sentinelRef: RefObject<HTMLDivElement | null>;
+  sentinelRef: Ref<HTMLDivElement>;
 }
 
 /**