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.

app/Http/Controllers/Care/PatientMessageController.php

@@ -42,13 +42,22 @@ class PatientMessageController extends Controller
         $owner = $this->ownerRef($request);
         $organization = $this->organization($request);
         $html = OrganizationBranding::wrapEmailHtml(nl2br(e($data['body'])), $organization);
+        // Patient-facing From display name is the clinic/company, never the Ladill product.
+        $fromName = trim((string) $organization->name) ?: null;
 
         $sent = false;
         $error = null;
         $via = null;
 
         if ($platformEmail->isConfigured()) {
-            $sent = $platformEmail->send($owner, (string) $patient->email, $data['subject'], $html, $data['body']);
+            $sent = $platformEmail->send(
+                $owner,
+                (string) $patient->email,
+                $data['subject'],
+                $html,
+                $data['body'],
+                $fromName,
+            );
             $via = 'suite';
             if (! $sent) {
                 $error = $platformEmail->lastError();
@@ -61,7 +70,7 @@ class PatientMessageController extends Controller
                 $sent = $email->send(
                     $apiKey,
                     (string) $credential->bird_from_email,
-                    $credential->bird_from_name,
+                    $credential->bird_from_name ?: $fromName,
                     (string) $patient->email,
                     $data['subject'],
                     $html,