fix: Correct copy for specific code block [Svelte] (#1647)

* fix: Correct copy for specific code block [Svelte]

* style: format code

* refactor: select code block in simple way

---------

Co-authored-by: 7nik <[email protected]>

Author: wyMinLwin

packages/site-kit/src/lib/components/Text.svelte

@@ -33,8 +33,7 @@
 				.find((node) => (node as HTMLElement).classList.contains('code-block')) as HTMLElement;
 
 			const ts = !!parent.querySelector('.ts-toggle:checked');
-			const query = ts ? `pre[data-language="ts"] code` : 'pre code';
-			const code = parent.querySelector(query) as HTMLElement;
+			const code = parent.querySelectorAll(':scope > pre > code')[ts ? 1 : 0] as HTMLElement;
 			navigator.clipboard.writeText(get_text(code));
 		}
 	}