[Web] Adjust mailbox format

[Web] Include IMAP lib for future use
[Web] Fix default exception handler
[Web] Fix sync job edit forms
[Web] Other minor fixes

data/web/inc/lib/vendor/composer/autoload_psr4.php

@@ -9,4 +9,5 @@ return array(
     'RobThree\\Auth\\' => array($vendorDir . '/robthree/twofactorauth/lib'),
     'PhpMimeMailParser\\' => array($vendorDir . '/php-mime-mail-parser/php-mime-mail-parser/src'),
     'Html2Text\\' => array($vendorDir . '/soundasleep/html2text/src'),
+    'Ddeboer\\Imap\\' => array($vendorDir . '/ddeboer/imap/src'),
 );