Add visibility to component groups (#2027)

Implement visibility for the components groups. Closes #1892

Add functional test that asserts a guest can only see public items.

* Fix tests not running due to hitting the Setup page.

The missing `boostrap/cachet/testing.php` file is now generated the first time tests are ran.

* Add a functional test that asserts logged in users can see all items.

Add constants for possible values for the visible column/field of the ComponentGroup model.
Code review changes.

* Add API tests for component group visibility feature.

* Implement the visibility hidden option for a component group. Fixes #1892.

Add migration for the created_by column, in component_groups table.
Add methods to the ComponentGroup and User models to be able to work with the created_by column.
Hidden component groups are no longer displayed on the index page for loggedin users.
Add functional test for the dashboard page.
Save owner on create/edit component group.
Update the API tests for Component group visibility feature.

* Replace auth() usage with app(Guard::class).

* Apply StyleCI fixes.

* Drop the hidden visibility feature and fix all tests.

Some code review fixes too.

* Rename public to visible since it's a reserved keyword. Apply StyleCI fixes and correct typo.

* Code review changes.

* Tidy up component and component groups gathering.

* Code review changes and StyleCI fixes.

* Code review changes.

* Remove extra whitespace

* Remove useless method.

app/Bus/Commands/ComponentGroup/UpdateComponentGroupCommand.php

@@ -48,6 +48,13 @@ final class UpdateComponentGroupCommand
      */
     public $collapsed;
 
+    /**
+     * Is the component visible to public?
+     *
+     * @var int
+     */
+    public $visible;
+
     /**
      * The validation rules.
      *
@@ -57,6 +64,7 @@ final class UpdateComponentGroupCommand
         'name'      => 'string',
         'order'     => 'int',
         'collapsed' => 'int|between:0,3',
+        'visible'   => 'bool',
     ];
 
     /**
@@ -66,14 +74,16 @@ final class UpdateComponentGroupCommand
      * @param string                                 $name
      * @param int                                    $order
      * @param int                                    $collapsed
+     * @param int                                    $visible
      *
      * @return void
      */
-    public function __construct(ComponentGroup $group, $name, $order, $collapsed)
+    public function __construct(ComponentGroup $group, $name, $order, $collapsed, $visible)
     {
         $this->group = $group;
         $this->name = $name;
         $this->order = (int) $order;
         $this->collapsed = $collapsed;
+        $this->visible = (int) $visible;
     }
 }