Make ImageMagick Adapter compatible with php8 (Implicit conversion from float to int)

Author: Bashev

lib/internal/Magento/Framework/Image/Adapter/ImageMagick.php

@@ -212,14 +212,14 @@ public function resize($frameWidth = null, $frameHeight = null)
 
         $newImage = new \Imagick();
         $newImage->newImage(
-            $dims['frame']['width'],
-            $dims['frame']['height'],
+            floor($dims['frame']['width']),
+            floor($dims['frame']['height']),
             $this->_imageHandler->getImageBackgroundColor()
         );
 
         $this->_imageHandler->resizeImage(
-            $dims['dst']['width'],
-            $dims['dst']['height'],
+            floor($dims['dst']['width']),
+            floor($dims['dst']['height']),
             \Imagick::FILTER_CUBIC,
             self::BLUR_FACTOR
         );