Revert "fix: improve useInViewObserver hook to trigger when observer is alrea…" (#18504)

This reverts commit 22f92f1ee3.

packages/lib/hooks/useInViewObserver.ts

@@ -14,11 +14,6 @@ export const useInViewObserver = (onInViewCallback: () => void, root?: Element |
       return;
     }
 
-    if (node && node.getBoundingClientRect().top < window.innerHeight) {
-      // Trigger callback immediately if element is already in view on mount
-      onInViewCallback();
-    }
-
     let observer: IntersectionObserver;
     if (node && node.parentElement) {
       observer = new IntersectionObserver(
@@ -40,7 +35,7 @@ export const useInViewObserver = (onInViewCallback: () => void, root?: Element |
         observer.disconnect();
       }
     };
-  }, [onInViewCallback, node]);
+  }, [node]);
 
   return {
     ref: setRef,