fix: Quote wizard - correct total calculation and email sender

- Fix calculateQuote() to respect serviceInterests flags
- Only include GPS/Support costs when user has enabled them
- Update Step6Summary to conditionally render service sections
- Add sender display name (Arizona Computer Guru) to emails
- Add reply-to address (admin@azcomputerguru.com)
- Fixes phantom $380 support charge appearing in totals

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

projects/msp-tools/quote-wizard/php-api/api/services/email_service.php

@@ -124,9 +124,23 @@ function send_email(string $to_email, string $subject, string $body_html, ?strin
                 'contentType' => 'HTML',
                 'content'     => $body_html,
             ],
+            'from' => [
+                'emailAddress' => [
+                    'name'    => defined('GRAPH_SENDER_NAME') ? GRAPH_SENDER_NAME : 'Arizona Computer Guru',
+                    'address' => GRAPH_SENDER_EMAIL,
+                ],
+            ],
             'toRecipients' => [
                 ['emailAddress' => ['address' => $to_email]],
             ],
+            'replyTo' => [
+                [
+                    'emailAddress' => [
+                        'name'    => defined('GRAPH_REPLY_TO_NAME') ? GRAPH_REPLY_TO_NAME : 'Arizona Computer Guru',
+                        'address' => defined('GRAPH_REPLY_TO_EMAIL') ? GRAPH_REPLY_TO_EMAIL : GRAPH_SENDER_EMAIL,
+                    ],
+                ],
+            ],
         ],
         'saveToSentItems' => 'true',
     ];