errors: update error name

This updates all Node.js errors by removing the `code` being part
of the `name` property. Instead, the name is just changed once on
instantiation, the stack is accessed to create the stack as expected
and then the `name` property is set back to it's original form.

PR-URL: https://github.com/nodejs/node/pull/26738
Fixes: https://github.com/nodejs/node/issues/26669
Fixes: https://github.com/nodejs/node/issues/20253
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>

lib/internal/assert/assertion_error.js

@@ -388,12 +388,25 @@ class AssertionError extends Error {
     }
 
     this.generatedMessage = !message;
-    this.name = 'AssertionError [ERR_ASSERTION]';
+    Object.defineProperty(this, 'name', {
+      value: 'AssertionError [ERR_ASSERTION]',
+      enumerable: false,
+      writable: true,
+      configurable: true
+    });
     this.code = 'ERR_ASSERTION';
     this.actual = actual;
     this.expected = expected;
     this.operator = operator;
     Error.captureStackTrace(this, stackStartFn);
+    // Create error message including the error code in the name.
+    this.stack;
+    // Reset the name.
+    this.name = 'AssertionError';
+  }
+
+  toString() {
+    return `${this.name} [${this.code}]: ${this.message}`;
   }
 
   [inspect.custom](recurseTimes, ctx) {