Fix coaches column reference: use full_name_ar instead of first_name_ar/last_name_ar

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Modules/Scheduling/Controllers/SchedulingController.php

@@ -161,7 +161,7 @@ class SchedulingController extends Controller
 
         $sql = "SELECT scr.*,
                     CASE scr.requester_type
-                        WHEN 'coach' THEN (SELECT CONCAT(first_name_ar, ' ', last_name_ar) FROM coaches WHERE id = scr.requester_id)
+                        WHEN 'coach' THEN (SELECT full_name_ar FROM coaches WHERE id = scr.requester_id)
                         WHEN 'player' THEN (SELECT full_name_ar FROM players WHERE id = scr.requester_id)
                         ELSE 'مسؤول'
                     END AS requester_name

app/Modules/Scheduling/Services/ScheduleChangeService.php

@@ -119,7 +119,7 @@ class ScheduleChangeService
         return $db->select(
             "SELECT scr.*,
                     CASE scr.requester_type
-                        WHEN 'coach' THEN (SELECT CONCAT(first_name_ar, ' ', last_name_ar) FROM coaches WHERE id = scr.requester_id)
+                        WHEN 'coach' THEN (SELECT full_name_ar FROM coaches WHERE id = scr.requester_id)
                         WHEN 'player' THEN (SELECT full_name_ar FROM players WHERE id = scr.requester_id)
                         ELSE 'مسؤول'
                     END AS requester_name