fix(connection-form): remove dependency on Node.js crypto module (#7632)

We can safely use the webcrypto API exposed through the `crypto`
global in both Node.js and Electron now.

This enables removing a polyfill with a known vulnerability in
the VSCode extension.

Author: addaleax

packages/connection-form/src/utils/csfle-handler.ts

@@ -1,4 +1,3 @@
-import { randomBytes } from 'crypto';
 import { cloneDeep } from 'lodash';
 import type { ConnectionOptions } from 'mongodb-data-service';
 import type {
@@ -356,7 +355,7 @@ export function adjustCSFLEParams(
 }
 
 export function randomLocalKey(): string {
-  return randomBytes(96).toString('base64');
+  return crypto.getRandomValues(Buffer.alloc(96)).toString('base64');
 }
 
 export function handleAddKmsProvider<T extends KMSProviderType>({