feat: Enhance email functionality and PDF generation for Sales Orders

- Enabled SMTP debugging in PHPMailer for better error tracking.
- Added a "Test send email" link in the Inventory Detail View for quick email testing.
- Implemented automatic PDF generation and email sending upon Sales Order creation.
- Created a new action for sending Sales Order emails with attached PDFs.
- Added a new AJAX action for testing outgoing email server configurations.
- Updated outgoing server settings to use new SMTP credentials.
- Improved email templates for better user experience.
- Added test scripts for validating PDF generation and email sending.

DashBoardAjax.php

@@ -234,7 +234,9 @@
 
 									LEFT JOIN vtiger_accountscf ON (vtiger_accountscf.accountid =vtiger_account.accountid)
 
-									WHERE vtiger_account.industry = '{$type}' and vtiger_accountscf.cf_990 <> ''
+									INNER JOIN vtiger_crmentity ON vtiger_account.accountid = vtiger_crmentity.crmid  
+
+									WHERE vtiger_account.industry = '{$type}' and vtiger_accountscf.cf_990 <> '' and vtiger_crmentity.deleted = 0
 
 									GROUP by vtiger_accountscf.cf_990 ORDER BY `region` ASC";