refactor: preslash simple functions

- Add pre-slash to short named functions to improve performance by almost 30%
-  @see https://stackoverflow.com/questions/55419673/php7-adding-a-slash-to-all-standard-php-functions-php-cs-fixer-rule

app/Http/Controllers/Staff/ChatStatusController.php

@@ -44,7 +44,7 @@ class ChatStatusController extends Controller
     {
         $chatstatuses = $this->chatRepository->statuses();
 
-        return view('Staff.chat.status.index', [
+        return \view('Staff.chat.status.index', [
             'chatstatuses' => $chatstatuses,
         ]);
     }
@@ -63,19 +63,19 @@ class ChatStatusController extends Controller
         $chatstatus->color = $request->input('color');
         $chatstatus->icon = $request->input('icon');
 
-        $v = validator($chatstatus->toArray(), [
+        $v = \validator($chatstatus->toArray(), [
             'name'  => 'required',
             'color' => 'required',
             'icon'  => 'required',
         ]);
 
         if ($v->fails()) {
-            return redirect()->route('staff.statuses.index')
+            return \redirect()->route('staff.statuses.index')
                 ->withErrors($v->errors());
         }
         $chatstatus->save();
 
-        return redirect()->route('staff.statuses.index')
+        return \redirect()->route('staff.statuses.index')
             ->withSuccess('Chat Status Successfully Added');
     }
 
@@ -94,19 +94,19 @@ class ChatStatusController extends Controller
         $chatstatus->color = $request->input('color');
         $chatstatus->icon = $request->input('icon');
 
-        $v = validator($chatstatus->toArray(), [
+        $v = \validator($chatstatus->toArray(), [
             'name'  => 'required',
             'color' => 'required',
             'icon'  => 'required',
         ]);
 
         if ($v->fails()) {
-            return redirect()->route('staff.statuses.index')
+            return \redirect()->route('staff.statuses.index')
                 ->withErrors($v->errors());
         }
         $chatstatus->save();
 
-        return redirect()->route('staff.statuses.index')
+        return \redirect()->route('staff.statuses.index')
             ->withSuccess('Chat Status Successfully Modified');
     }
 
@@ -122,7 +122,7 @@ class ChatStatusController extends Controller
         $chatstatus = ChatStatus::findOrFail($id);
         $chatstatus->delete();
 
-        return redirect()->route('staff.statuses.index')
+        return \redirect()->route('staff.statuses.index')
             ->withSuccess('Chat Status Successfully Deleted');
     }
 }