docs: support multiple sidebars in a project (#11768)

* changed to new sidebar across projects except resources

* finalize multi sidebar support

* clean up

* remove redundant property

* small changes

* fixes

* generate

* fix error

* fix initial open

www/apps/api-reference/utils/get-tag-child-sidebar-items.tsx

@@ -1,9 +1,9 @@
-import type { SidebarItem } from "types"
 import type { Operation, PathsObject } from "@/types/openapi"
 import type { OpenAPIV3 } from "openapi-types"
 import dynamic from "next/dynamic"
 import type { MethodLabelProps } from "@/components/MethodLabel"
 import getSectionId from "./get-section-id"
+import { Sidebar } from "types"
 
 const MethodLabel = dynamic<MethodLabelProps>(
   async () => import("../components/MethodLabel")
@@ -11,8 +11,8 @@ const MethodLabel = dynamic<MethodLabelProps>(
 
 export default function getTagChildSidebarItems(
   paths: PathsObject
-): SidebarItem[] {
-  const items: SidebarItem[] = []
+): Sidebar.SidebarItem[] {
+  const items: Sidebar.SidebarItem[] = []
   Object.entries(paths).forEach(([, operations]) => {
     Object.entries(operations).map(([method, operation]) => {
       const definedOperation = operation as Operation