Merge pull request #2099 from aisu-wata0/fix_css_decode_style

fix: css `decodeStyles`: remove `</br>` tags before parsing

public/scripts/chats.js

@@ -395,7 +395,8 @@ export function decodeStyleTags(text) {
 
     return text.replaceAll(styleDecodeRegex, (_, style) => {
         try {
-            const ast = css.parse(unescape(style));
+			let styleCleaned = unescape(style).replaceAll(/<br\/>/g, '');
+            const ast = css.parse(styleCleaned);
             const rules = ast?.stylesheet?.rules;
             if (rules) {
                 for (const rule of rules) {