i18n(payments): explicit ->label('Metodă') on method select

Field 'method' auto-generated 'Method' as label. Since RO is the source
language, __('Method') fell back to English on RO locale. Now explicitly
labeled with 'Metodă' so all 3 langs resolve properly (Metodă / Метод /
Method).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

app/Filament/Tenant/Resources/PaymentResource.php

@@ -69,6 +69,7 @@ class PaymentResource extends Resource
                 ->schema([
                     Forms\Components\DatePicker::make('paid_at')->label(__('Data'))->default(today())->required(),
                     Forms\Components\Select::make('method')
+                        ->label(__('Metodă'))
                         ->options(\App\Support\I18n::opts(Payment::METHODS))
                         ->default('cash')
                         ->required(),