fix(care): use clinic name as email From display, not Ladill Care

Patient-facing suite (and Bird fallback) emails should appear from the
organization name. Stop defaulting from_name to CARE_SMTP_FROM_NAME.
Appointment notifications also prefer suite messaging with the same rule.

tests/Feature/CareSuiteMessagingTest.php

@@ -102,7 +102,8 @@ class CareSuiteMessagingTest extends TestCase
         Http::assertSent(function ($request) {
             return str_contains($request->url(), '/messages/send')
                 && ($request['channel'] ?? null) === 'suite'
-                && ($request['user'] ?? null) === $this->user->public_id;
+                && ($request['user'] ?? null) === $this->user->public_id
+                && ($request['from_name'] ?? null) === 'Suite Clinic';
         });
     }