fix (optimized inline css): if styles have dynamic content, the style…

…s will be printed double

src/css-optimize.php

@@ -180,6 +180,12 @@ public static function parse_block_style( $block, &$style_arr ) {
 
 					$all_block_styles = array();
 					foreach ( $styles[0] as $i => $style_tag ) {
+						// If the styles contain dynamic content, let's not include
+						// it in the optimized styles it because we need it dynamic.
+						if ( stripos( $styles[1][ $i ], '!#stk_dynamic' ) ) {
+							return;
+						}
+
 						// Add the styles to our list of styles to optimize.
 						$all_block_styles[] = array(
 							$styles[0][ $i ],