feat(FE-316): Add isNextStep flag for expanded drawer flow

src/stores/ui/slices/drawer.slice.ts

@@ -45,4 +45,7 @@ export const createDrawerUISlice: StateCreator<
   expandedDrawerContent: null as ReactNode | null,
   setExpandedDrawerContent: (content: ReactNode) =>
     set({ expandedDrawerContent: content }),
+
+  isNextStep: false,
+  setIsNextStep: (isNextStep: boolean) => set({ isNextStep }),
 });