chore(templates): more next.js promises (#8599)

Continuation of #8547 . Missed some type updates.

templates/_template/src/app/(payload)/admin/[[...segments]]/not-found.tsx

@@ -7,12 +7,12 @@ import { NotFoundPage, generatePageMetadata } from '@payloadcms/next/views'
 import { importMap } from '../importMap'
 
 type Args = {
-  params: {
+  params: Promise<{
     segments: string[]
-  }
-  searchParams: {
+  }>
+  searchParams: Promise<{
     [key: string]: string | string[]
-  }
+  }>
 }
 
 export const generateMetadata = ({ params, searchParams }: Args): Promise<Metadata> =>

templates/with-payload-cloud/src/app/(payload)/admin/[[...segments]]/page.tsx

@@ -7,12 +7,12 @@ import { RootPage, generatePageMetadata } from '@payloadcms/next/views'
 import { importMap } from '../importMap'
 
 type Args = {
-  params: {
+  params: Promise<{
     segments: string[]
-  }
-  searchParams: {
+  }>
+  searchParams: Promise<{
     [key: string]: string | string[]
-  }
+  }>
 }
 
 export const generateMetadata = ({ params, searchParams }: Args): Promise<Metadata> =>

templates/with-postgres/src/app/(payload)/admin/[[...segments]]/page.tsx

@@ -7,12 +7,12 @@ import { RootPage, generatePageMetadata } from '@payloadcms/next/views'
 import { importMap } from '../importMap'
 
 type Args = {
-  params: {
+  params: Promise<{
     segments: string[]
-  }
-  searchParams: {
+  }>
+  searchParams: Promise<{
     [key: string]: string | string[]
-  }
+  }>
 }
 
 export const generateMetadata = ({ params, searchParams }: Args): Promise<Metadata> =>

templates/with-vercel-mongodb/src/app/(payload)/admin/[[...segments]]/page.tsx

@@ -7,12 +7,12 @@ import { RootPage, generatePageMetadata } from '@payloadcms/next/views'
 import { importMap } from '../importMap'
 
 type Args = {
-  params: {
+  params: Promise<{
     segments: string[]
-  }
-  searchParams: {
+  }>
+  searchParams: Promise<{
     [key: string]: string | string[]
-  }
+  }>
 }
 
 export const generateMetadata = ({ params, searchParams }: Args): Promise<Metadata> =>

templates/with-vercel-postgres/src/app/(payload)/admin/[[...segments]]/page.tsx

@@ -7,12 +7,12 @@ import { RootPage, generatePageMetadata } from '@payloadcms/next/views'
 import { importMap } from '../importMap'
 
 type Args = {
-  params: {
+  params: Promise<{
     segments: string[]
-  }
-  searchParams: {
+  }>
+  searchParams: Promise<{
     [key: string]: string | string[]
-  }
+  }>
 }
 
 export const generateMetadata = ({ params, searchParams }: Args): Promise<Metadata> =>