Refactor contact management functions and remove phpinfo.php

- Updated formatting and structure of functions in edit_contact.inc.php for better readability and consistency.
- Added comments to clarify the purpose of certain code sections, especially regarding mandant handling.
- Removed the deprecated phpinfo.php file to clean up the codebase.

.htaccess

@@ -96,9 +96,14 @@ RewriteRule ^mysyde/([^/.]*)/([^/.]*)/([^/.]*)/([^/.]*)/$ /mysyde/admin/admin.ph
 # RewriteRule ^dc/([^/.]*)/([^/.]*)/([^/.]*)/$ /mysyde/admin/admin.php?site=$1&language=$2&level_1=$3&level_2=$4 [L,QSA]
 # RewriteRule ^dc/([^/.]*)/([^/.]*)/([^/.]*)/([^/.]*)/$ /mysyde/admin/admin.php?site=$1&language=$2&level_1=$3&level_2=$4&level_3=$5 [L,QSA]
 
-#RewriteCond %{REQUEST_FILENAME} !-d
+# userdata immer ueber Session-Controller
+RewriteRule ^userdata/?$ /mysyde/frontend/frontend_userdata_controller.php [L,QSA]
+RewriteRule ^userdata/(.+)$ /mysyde/frontend/frontend_userdata_controller.php?file=$1 [L,B,QSA]
+
+# layout weiterhin direkt ausliefern
 RewriteCond %{REQUEST_FILENAME} !-f
-RewriteRule ^(layout|userdata)($|/) - [L]
+RewriteRule ^layout($|/) - [L]
+
 
 RewriteCond %{REQUEST_FILENAME} !-f
 RewriteRule ^((?!dc).*)$ /mysyde/frontend/frontend.php [L,QSA]