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.

resources/lang/en/forms.php

@@ -77,11 +77,14 @@ return [
         'enabled'     => 'Component enabled?',
 
         'groups' => [
-            'name'               => 'Name',
-            'collapsing'         => 'Choose visibility of the group',
-            'visible'            => 'Always expanded',
-            'collapsed'          => 'Collapse the group by default',
-            'collapsed_incident' => 'Collapse the group, but expand if there are issues',
+            'name'                     => 'Name',
+            'collapsing'               => 'Expand/Collapse options',
+            'visible'                  => 'Always expanded',
+            'collapsed'                => 'Collapse the group by default',
+            'collapsed_incident'       => 'Collapse the group, but expand if there are issues',
+            'visibility'               => 'Visibility',
+            'visibility_public'        => 'Visible to public',
+            'visibility_authenticated' => 'Visible only to logged in users',
         ],
     ],