fix(email): use client/org name as From display, not Ladill product

Customer-facing outbound mail should appear from the business (organizer,
clinic, company, location), not the Ladill product brand.

app/Services/Events/EventEmailService.php

@@ -133,6 +133,8 @@ class EventEmailService
         $brandingSettings = AccountBranding::forOwnerRef($ownerPublicId);
         $viewData['logoUrl'] = AccountBranding::emailLogoUrl($brandingSettings);
         $viewData['companyName'] = AccountBranding::companyName($brandingSettings);
+        // From display: organizer name, else account/company branding — never "Ladill Events".
+        $fromName = trim((string) ($replyToName ?: $viewData['companyName'] ?? '')) ?: null;
 
         $html = View::make($view, $viewData)->render();
         $text = strip_tags(str_replace(['<br>', '<br/>', '<br />'], "\n", $html));
@@ -145,6 +147,7 @@ class EventEmailService
             $text,
             $replyToEmail,
             $replyToName,
+            $fromName,
         );
     }
 }