fix: don't check for status ==="response" to derive state (#409)

Author: dalechyn

.changeset/smooth-plants-deliver.md

@@ -0,0 +1,5 @@
+---
+"frog": patch
+---
+
+Fixed an issue where `c.deriveState` would not modify state in initial frame handler.

src/utils/getFrameContext.ts

@@ -63,7 +63,6 @@ export function getFrameContext<
   function deriveState(
     derive?: (state: _state) => void | Promise<void>,
   ): _state | Promise<_state> {
-    if (status !== 'response') return previousState as _state
     if (!derive) return previousState as _state
 
     const clone = structuredClone(previousState)