refactor: enhance ImaginaryPDF class with supportedMimeTypes method

- Updated registration of ImaginaryPDF class to use supportedMimeTypes method

Signed-off-by: ernolf <[email protected]>

Author: ernolf

lib/private/PreviewManager.php

@@ -346,7 +346,7 @@ protected function registerCoreProviders() {
 		$this->registerCoreProvider(Preview\MP3::class, '/audio\/mpeg/');
 		$this->registerCoreProvider(Preview\OpenDocument::class, '/application\/vnd.oasis.opendocument.*/');
 		$this->registerCoreProvider(Preview\Imaginary::class, Preview\Imaginary::supportedMimeTypes());
-		$this->registerCoreProvider(Preview\ImaginaryPDF::class, '/application\/pdf/');
+		$this->registerCoreProvider(Preview\ImaginaryPDF::class, Preview\ImaginaryPDF::supportedMimeTypes());
 
 		// SVG and Bitmap require imagick
 		if ($this->imagickSupport->hasExtension()) {