Filament v5: move Tables\Actions\* → Actions\* namespace

Filament v5 a unificat actions într-un singur namespace Filament\Actions.
Tables\Actions\EditAction et al. nu mai există → fix global pe toate resources.

app/Filament/Tenant/Resources/LeadResource.php

@@ -9,6 +9,7 @@ use Filament\Forms;
 use Filament\Notifications\Notification;
 use Filament\Resources\Resource;
 use Filament\Schemas\Schema;
+use Filament\Actions;
 use Filament\Tables;
 use Filament\Tables\Table;
 
@@ -103,7 +104,7 @@ class LeadResource extends Resource
                 Tables\Filters\SelectFilter::make('source')->options(Lead::SOURCES),
             ])
             ->actions([
-                Tables\Actions\Action::make('convert')
+                Actions\Action::make('convert')
                     ->label('Convertește')
                     ->icon('heroicon-m-arrow-right-circle')
                     ->color('success')
@@ -116,8 +117,8 @@ class LeadResource extends Resource
                             ->success()
                             ->send();
                     }),
-                Tables\Actions\EditAction::make(),
-                Tables\Actions\DeleteAction::make(),
+                Actions\EditAction::make(),
+                Actions\DeleteAction::make(),
             ])
             ->defaultSort('created_at', 'desc');
     }