Turbopack: fix over-invalidation of node.js assets (#57240)

### What?

* no need to clear require cache when assets where not used previously
* make build status reporting more consistent
* report build status to client side for build indicator

### Why?

### How?


Closes WEB-1826

packages/next/src/client/dev/dev-build-watcher.ts

@@ -95,6 +95,7 @@ export default function initializeBuildWatcher(
         break
       case HMR_ACTIONS_SENT_TO_BROWSER.BUILT:
       case HMR_ACTIONS_SENT_TO_BROWSER.SYNC:
+      case HMR_ACTIONS_SENT_TO_BROWSER.FINISH_BUILDING:
         hide()
         break
     }

packages/next/src/server/dev/hot-reloader-types.ts

@@ -17,6 +17,7 @@ export const enum HMR_ACTIONS_SENT_TO_BROWSER {
   SYNC = 'sync',
   BUILT = 'built',
   BUILDING = 'building',
+  FINISH_BUILDING = 'finishBuilding',
   DEV_PAGES_MANIFEST_UPDATE = 'devPagesManifestUpdate',
   TURBOPACK_MESSAGE = 'turbopack-message',
   SERVER_ERROR = 'serverError',
@@ -37,6 +38,10 @@ interface BuildingAction {
   action: HMR_ACTIONS_SENT_TO_BROWSER.BUILDING
 }
 
+interface FinishBuildingAction {
+  action: HMR_ACTIONS_SENT_TO_BROWSER.FINISH_BUILDING
+}
+
 interface SyncAction {
   action: HMR_ACTIONS_SENT_TO_BROWSER.SYNC
   hash: string
@@ -95,6 +100,7 @@ export type HMR_ACTION_TYPES =
   | TurbopackMessageAction
   | TurbopackConnectedAction
   | BuildingAction
+  | FinishBuildingAction
   | SyncAction
   | BuiltAction
   | AddedPageAction