fix: prevent HMR to throw error about entrypoints (#5317)

Author: schiller-manuel

packages/start-plugin-core/src/constants.ts

@@ -12,8 +12,8 @@ export type ViteEnvironmentNames =
 // if a user has a custom server/client entry point file, resolve.alias will point to this
 // otherwise it will be aliased to the default entry point in the respective framework plugin
 export const ENTRY_POINTS = {
-  client: '__tanstack-start-client-entry__',
-  server: '__tanstack-start-server-entry__',
+  client: 'virtual:tanstack-start-client-entry',
+  server: 'virtual:tanstack-start-server-entry',
   // the start entry point must always be provided by the user
   start: '#tanstack-start-entry',
   router: '#tanstack-router-entry',