chore(eslint): curly [skip-lint] (#7959)

Now enforcing curly brackets on all if statements. Includes auto-fixer.


```ts
// ❌ Bad
if (foo) foo++;

// ✅ Good
if (foo) {
  foo++;
}
```




Note: this did not lint the `drizzle` package or any `db-*` packages.
This will be done in the future.

packages/email-nodemailer/src/index.ts

@@ -47,7 +47,9 @@ async function buildEmail(emailConfig?: NodemailerAdapterArgs): Promise<{
 }> {
   if (!emailConfig) {
     const transport = await createMockAccount(emailConfig)
-    if (!transport) throw new InvalidConfiguration('Unable to create Nodemailer test account.')
+    if (!transport) {
+      throw new InvalidConfiguration('Unable to create Nodemailer test account.')
+    }
 
     return {
       defaultFromAddress: 'info@payloadcms.com',