Prevent lang code to be included in URL for images

includes/lib/transifex-live-integration-picker.php

@@ -77,10 +77,15 @@ function render() {
 		// in this case return the url_path with e.g engagement => /engagement
 		// Otherwise remove the part from url string until the language prefix
 		// e.g el/sample_page =>sample_page
-		if (strpos($url_path, $lang ) !== false && $url_path !== $lang && strpos($url_path, $lang .'/' ) === false) {
-			$source_url_path = '/' . ltrim( $url_path, '/' );
+		// Check if URL corresponds to an image. If so, leave it unmodified.
+		if ($this->is_image_url($url_path)) {
+			$source_url_path = $url_path;
 		} else {
-			$source_url_path = (substr($url_path, 0, strlen($lang)) === $lang) ? substr($url_path, strlen($lang)) : $url_path;
+			if (strpos($url_path, $lang ) !== false && $url_path !== $lang && strpos($url_path, $lang .'/' ) === false) {
+				$source_url_path = '/' . ltrim( $url_path, '/' );
+			} else {
+				$source_url_path = (substr($url_path, 0, strlen($lang)) === $lang) ? substr($url_path, strlen($lang)) : $url_path;
+			}
 		}
 		$url_map = Transifex_Live_Integration_Common::generate_language_url_map( $source_url_path, $this->tokenized_url, $this->language_map );
 		$site_url_slash_maybe = (new Transifex_Live_Integration_WP_Services())->get_site_url($this->is_subdirectory_install);