process: call prepareMainThreadExecution in node inspect

Since we should treat the node-inspect as third-party
user code.

PR-URL: nodejs#26466
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

lib/internal/main/inspect.js

@@ -2,6 +2,12 @@
 
 // `node inspect ...` or `node debug ...`
 
+const {
+  prepareMainThreadExecution
+} = require('internal/bootstrap/pre_execution');
+
+prepareMainThreadExecution();
+
 if (process.argv[1] === 'debug') {
   process.emitWarning(
     '`node debug` is deprecated. Please use `node inspect` instead.',