Fix voicemail and queue announcement issues

- Fixed phone agents getting 'Unauthorized' error when accessing voicemails by checking for twp_access_voicemails capability
- Fixed missing ElevenLabs parameter in queue TwiML generation that prevented announcement messages
- Fixed IVR voicemail messages not being saved correctly - now properly assigns message field based on action type
- Added proper permission checks for both ajax_get_voicemail and ajax_get_voicemail_audio functions

🤖 Generated with [Claude Code](https://claude.ai/code)

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

assets/js/admin.js

@@ -877,14 +877,32 @@ jQuery(document).ready(function($) {
             // console.log('Processing IVR options - raw data:', data);
             data.options = {};
             for (var i = 0; i < data.digit.length; i++) {
+                // Get the appropriate target value based on action type
+                var targetValue = data.target[i];
                 var option = {
                     action: data.action[i],
                     description: data.description[i],
-                    number: data.target[i],
-                    queue_name: data.target[i],
-                    message: data.target[i]
+                    number: '',
+                    queue_name: '',
+                    message: ''
                 };
                 
+                // Set the appropriate field based on action type
+                switch(data.action[i]) {
+                    case 'forward':
+                        option.number = targetValue;
+                        break;
+                    case 'queue':
+                        option.queue_name = targetValue;
+                        break;
+                    case 'voicemail':
+                        option.message = targetValue;
+                        break;
+                    case 'message':
+                        option.message = targetValue;
+                        break;
+                }
+                
                 // console.log('Processing option', i, '- action:', data.action[i], 'target:', data.target[i]);
                 
                 // For queue action, get the actual queue name from the select option text