fix(core): fix daemon plugins caching (nrwl#26321)

<!-- Please make sure you have read the submission guidelines before
posting an PR -->
<!--
https://github.com/nrwl/nx/blob/master/CONTRIBUTING.md#-submitting-a-pr
-->

<!-- Please make sure that your commit message follows our format -->
<!-- Example: `fix(nx): must begin with lowercase` -->

## Current Behavior
<!-- This is the behavior we have today -->

## Expected Behavior
<!-- This is the behavior we should expect with the changes in this PR
-->

## Related Issue(s)
<!-- Please link the issue being fixed so it gets closed when this is
merged. -->

Fixes nrwl#26001

packages/nx/src/daemon/server/plugins.ts

@@ -5,7 +5,7 @@ import {
 } from '../../project-graph/plugins/internal-api';
 import { workspaceRoot } from '../../utils/workspace-root';
 
-let loadedPlugins: Promise<LoadedNxPlugin[]>;
+let loadedPlugins: LoadedNxPlugin[];
 let cleanup: () => void;
 
 export async function getPlugins() {
@@ -18,6 +18,7 @@ export async function getPlugins() {
     workspaceRoot
   );
   cleanup = cleanupFn;
+  loadedPlugins = result;
   return result;
 }