Refactor datatable sort columns

app/Http/Controllers/ExpenseController.php

@@ -53,7 +53,6 @@ class ExpenseController extends BaseController
             'entityType' => ENTITY_EXPENSE,
             'datatable' => new ExpenseDatatable(),
             'title' => trans('texts.expenses'),
-            'sortCol' => '3',
         ]);
     }
 

app/Http/Controllers/InvoiceController.php

@@ -58,7 +58,6 @@ class InvoiceController extends BaseController
         $data = [
             'title' => trans('texts.invoices'),
             'entityType' => ENTITY_INVOICE,
-            'sortCol' => '3',
             'statuses' => Invoice::getStatuses(),
             'datatable' => new InvoiceDatatable(),
         ];

app/Http/Controllers/PaymentController.php

@@ -64,7 +64,6 @@ class PaymentController extends BaseController
             'entityType' => ENTITY_PAYMENT,
             'datatable' => new PaymentDatatable(),
             'title' => trans('texts.payments'),
-            'sortCol' => '7',
         ]);
     }
 

app/Http/Controllers/ProductController.php

@@ -44,7 +44,6 @@ class ProductController extends BaseController
             'datatable' => new ProductDatatable(),
             'title' => trans('texts.products'),
             'statuses' => Product::getStatuses(),
-            'sortCol' => '4',
         ]);
     }
 

app/Http/Controllers/QuoteController.php

@@ -49,7 +49,6 @@ class QuoteController extends BaseController
           'title' => trans('texts.quotes'),
           'entityType' => ENTITY_QUOTE,
           'datatable' => $datatable,
-          'sortCol' => '3',
         ];
 
         return response()->view('list_wrapper', $data);

app/Http/Controllers/TaskController.php

@@ -71,7 +71,6 @@ class TaskController extends BaseController
             'entityType' => ENTITY_TASK,
             'datatable' => new TaskDatatable(),
             'title' => trans('texts.tasks'),
-            'sortCol' => '2',
         ]);
     }
 

app/Http/Controllers/VendorController.php

@@ -42,7 +42,6 @@ class VendorController extends BaseController
             'entityType' => 'vendor',
             'datatable' => new VendorDatatable(),
             'title' => trans('texts.vendors'),
-            'sortCol' => '4',
         ]);
     }
 

app/Ninja/Datatables/ExpenseDatatable.php

@@ -7,6 +7,7 @@ use Auth;
 class ExpenseDatatable extends EntityDatatable
 {
     public $entityType = ENTITY_EXPENSE;
+    public $sortCol = 3;
 
     public function columns()
     {

app/Ninja/Datatables/InvoiceDatatable.php

@@ -7,6 +7,7 @@ use Auth;
 class InvoiceDatatable extends EntityDatatable
 {
     public $entityType = ENTITY_INVOICE;
+    public $sortCol = 3;
 
     public function columns()
     {

app/Ninja/Datatables/PaymentDatatable.php

@@ -8,6 +8,7 @@ use App\Models\PaymentMethod;
 class PaymentDatatable extends EntityDatatable
 {
     public $entityType = ENTITY_PAYMENT;
+    public $sortCol = 7;
 
     protected static $refundableGateways = [
         GATEWAY_STRIPE,

app/Ninja/Datatables/ProductDatatable.php

@@ -8,6 +8,7 @@ use Str;
 class ProductDatatable extends EntityDatatable
 {
     public $entityType = ENTITY_PRODUCT;
+    public $sortCol = 4;
 
     public function columns()
     {

app/Ninja/Datatables/TaskDatatable.php

@@ -8,6 +8,7 @@ use App\Models\Task;
 class TaskDatatable extends EntityDatatable
 {
     public $entityType = ENTITY_TASK;
+    public $sortCol = 2;
 
     public function columns()
     {

app/Ninja/Datatables/VendorDatatable.php

@@ -7,6 +7,7 @@ use Auth;
 class VendorDatatable extends EntityDatatable
 {
     public $entityType = ENTITY_VENDOR;
+    public $sortCol = 4;
 
     public function columns()
     {