refactor ClientDepartmentController and ClientFacultyController; replace caching logic with action classes for department and faculty retrieval, enhancing code clarity and maintainability

app/Containers/InstituteStructure/Actions/FindFacultyBySlugAction.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Containers\InstituteStructure\Actions;
+
+use App\Containers\InstituteStructure\Models\Faculty;
+use App\Containers\InstituteStructure\Tasks\GetFacultyBySlugTask;
+
+class FindFacultyBySlugAction
+{
+    public function __construct(private readonly GetFacultyBySlugTask $getFacultyBySlugTask)
+    {
+    }
+
+    public function run(string $slug): Faculty
+    {
+        return $this->getFacultyBySlugTask->run($slug);
+    }
+}