feat: Implement authorization checks for create, edit, and delete actions on StudyGroup and CourseSchedule pages.

app/Filament/Pages/Information/CourseSchedule/Index.php

@@ -76,18 +76,21 @@ public function form(Schema $schema): Schema
     protected function getHeaderActions(): array
     {
         return [
-            CreateScheduleAction::make(),
+            CreateScheduleAction::make()
+                ->visible(fn () => auth()->user()->can('Create:CourseSchedule')),
         ];
     }
 
     protected function editScheduleAction(): Action
     {
-        return EditScheduleAction::make();
+        return EditScheduleAction::make()
+            ->visible(fn () => auth()->user()->can('Update:CourseSchedule'));
     }
 
     protected function deleteScheduleAction(): Action
     {
-        return DeleteScheduleAction::make();
+        return DeleteScheduleAction::make()
+            ->visible(fn () => auth()->user()->can('Delete:CourseSchedule'));
     }
 
     public function getSchedules(): Collection

app/Filament/Pages/Learning/StudyGroup/Index.php

@@ -84,18 +84,21 @@ public function form(Schema $schema): Schema
     protected function getHeaderActions(): array
     {
         return [
-            CreateStudyGroupAction::make(),
+            CreateStudyGroupAction::make()
+                ->visible(fn () => auth()->user()->can('Create:StudyGroup')),
         ];
     }
 
     protected function editStudyGroupAction(): Action
     {
-        return EditStudyGroupAction::make();
+        return EditStudyGroupAction::make()
+            ->visible(fn () => auth()->user()->can('Update:StudyGroup'));
     }
 
     protected function deleteStudyGroupAction(): Action
     {
-        return DeleteStudyGroupAction::make();
+        return DeleteStudyGroupAction::make()
+            ->visible(fn () => auth()->user()->can('Delete:StudyGroup'));
     }
 
     public function getStudyGroups(): Collection