fix(core): push emit handlers into listeners set

packages/core/src/store/hooks.ts

@@ -69,7 +69,8 @@ export function useHooks(emit: (...args: any[]) => void, hooks: Ref<FlowHooks>)
         emit(key, data)
       }
 
-      value.on(listener)
+      // push into fns instead of using `on` to avoid overwriting default handlers - the emits should be called in addition to the default handlers
+      value.fns.add(listener)
 
       tryOnScopeDispose(() => {
         value.off(listener)