Enhance Group and Document resources; add leader and helper teacher relationships, update navigation icons, and adjust navigation sorting.

app/Filament/Resources/Groups/GroupResource.php

@@ -12,7 +12,6 @@ use App\Models\Group;
 use BackedEnum;
 use Filament\Resources\Resource;
 use Filament\Schemas\Schema;
-use Filament\Support\Icons\Heroicon;
 use Filament\Tables\Table;
 use Illuminate\Contracts\Support\Htmlable;
 
@@ -20,8 +19,6 @@ class GroupResource extends Resource
 {
     protected static ?string $model = Group::class;
 
-    protected static string|BackedEnum|null $navigationIcon = Heroicon::OutlinedRectangleStack;
-
     protected static ?string $navigationLabel = 'Toparlar';
 
     protected static ?string $pluralLabel = 'Toparlar';
@@ -32,7 +29,7 @@ class GroupResource extends Resource
 
     public static function getNavigationIcon(): string | BackedEnum | Htmlable | null
     {
-        return 'heroicon-o-user-group';
+        return 'icon-flight-takeoff';
     }
 
     public static function form(Schema $schema): Schema