perf: replace emoji loop with single-pass replace_all closure

Author: Algorithm5838

src/utils.rs

@@ -1093,15 +1093,7 @@ pub fn rewrite_urls(input_text: &str) -> String {
 		// Rewrite Reddit links to Redlib
 		REDDIT_REGEX.replace_all(input_text, r#"href="/"#).to_string();
 
-	loop {
-		if REDDIT_EMOJI_REGEX.find(&text1).is_none() {
-			break;
-		} else {
-			text1 = REDDIT_EMOJI_REGEX
-				.replace_all(&text1, format_url(REDDIT_EMOJI_REGEX.find(&text1).map(|x| x.as_str()).unwrap_or_default()))
-				.to_string()
-		}
-	}
+	text1 = REDDIT_EMOJI_REGEX.replace_all(&text1, |caps: &regex::Captures| format_url(&caps[0])).to_string();
 
 	// Remove (html-encoded) "\" from URLs.
 	text1 = text1.replace("%5C", "").replace("\\_", "_");