fix: make sure all searchparams are used in redirect

stores/steps.ts

@@ -1,6 +1,7 @@
 "use client"
 import merge from "deepmerge"
 import { produce } from "immer"
+import { AppRouterInstance } from "next/dist/shared/lib/app-router-context.shared-runtime"
 import { useContext } from "react"
 import { create, useStore } from "zustand"
 
@@ -18,17 +19,13 @@ import { StepEnum } from "@/types/enums/step"
 import type { DetailsState } from "@/types/stores/details"
 import type { StepState } from "@/types/stores/steps"
 
-function push(data: Record<string, string>, url: string) {
-  if (typeof window !== "undefined") {
-    window.history.pushState(data, "", url + window.location.search)
-  }
-}
-
 export function createStepsStore(
   currentStep: StepEnum,
   isMember: boolean,
   noBedChoices: boolean,
-  noBreakfast: boolean
+  noBreakfast: boolean,
+  searchParams: string,
+  push: AppRouterInstance["push"]
 ) {
   const isBrowser = typeof window !== "undefined"
   const steps = [
@@ -51,14 +48,14 @@ export function createStepsStore(
     steps.splice(1, 1)
     if (currentStep === StepEnum.breakfast) {
       currentStep = steps[1]
-      push({ step: currentStep }, currentStep)
+      push(`${currentStep}?${searchParams}`)
     }
   }
 
   if (noBedChoices) {
     if (currentStep === StepEnum.selectBed) {
       currentStep = steps[1]
-      push({ step: currentStep }, currentStep)
+      push(`${currentStep}?${searchParams}`)
     }
   }
 
@@ -94,7 +91,7 @@ export function createStepsStore(
     if (!validPaths.includes(currentStep) && isBrowser) {
       // We will always have at least one valid path
       currentStep = validPaths.pop()!
-      push({ step: currentStep }, currentStep)
+      push(`${currentStep}?${searchParams}`)
     }
   }