feat(extra-features): Use word boundary to avoid matching patrial attr.

(e.g., width vs stroke-width)

is_themecore/src/Core/Smarty/SmartyHelperFunctions.php

@@ -245,7 +245,7 @@ class SmartyHelperFunctions
                     $value = $params[$attr];
                     
                     // Check if attribute already exists in the SVG
-                    if (preg_match('/' . preg_quote($attr) . '="[^"]*"/', $svg_content)) {
+                    if (preg_match('/\b' . preg_quote($attr) . '="[^"]*"/', $svg_content)) {
                         // Replace existing attribute
                         $svg_content = preg_replace(
                             '/' . preg_quote($attr) . '="[^"]*"/',