Fix "Call to a member function filamentComments() on null"

Author: teodino93

src/Actions/CommentsAction.php

@@ -22,7 +22,7 @@ protected function setUp(): void
             ->hiddenLabel()
             ->icon(config('filament-comments.icons.action'))
             ->color('gray')
-            ->badge($this->record->filamentComments()->count())
+            ->badge(fn (Model $record): int => $record->filamentComments()->count())
             ->slideOver()
             ->modalContentFooter(fn (): View => view('filament-comments::component'))
             ->modalHeading(__('filament-comments::filament-comments.modal.heading'))