fix(core): only register forced shutdown when tui is enabled (#30735)

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## Current Behavior
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The `registerForcedShutdownCallback` lifecycle hook does not exist if
the TUI is not enabled as it is not on CI. But Nx tries to invoke it
anyways so it causes an error in CI:
https://github.com/nrwl/nx/actions/runs/14471341199/job/40585817051?pr=30710#step:11:31

## Expected Behavior
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-->

The `registerForcedShutdownCallback` is only utilized when the TUI is
enabled so it will not be invoked on CI where it does not exist.

## Related Issue(s)
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merged. -->

Fixes #

Author: FrozenPandaz

packages/nx/src/tasks-runner/task-orchestrator.ts

@@ -129,12 +129,16 @@ export class TaskOrchestrator {
 
     await Promise.race([
       Promise.all(threads),
-      new Promise((resolve) => {
-        this.options.lifeCycle.registerForcedShutdownCallback(() => {
-          // The user force quit the TUI with ctrl+c, so proceed onto cleanup
-          resolve(undefined);
-        });
-      }),
+      ...(this.tuiEnabled
+        ? [
+            new Promise((resolve) => {
+              this.options.lifeCycle.registerForcedShutdownCallback(() => {
+                // The user force quit the TUI with ctrl+c, so proceed onto cleanup
+                resolve(undefined);
+              });
+            }),
+          ]
+        : []),
     ]);
 
     performance.mark('task-execution:end');