fix: remove white space after duplicate schedule regex matching (#286)

src/pages/background/lib/handleDuplicate.ts

@@ -20,7 +20,7 @@ export default async function handleDuplicate(scheduleName: string): Promise<str
 
     // Extract base name and existing index
     const match = scheduleName.match(regex);
-    const baseName = match && match[1] ? match[1] : scheduleName;
+    const baseName = match && match[1] ? match[1].trim() : scheduleName;
 
     // Extract number from parentheses and increment
     let index = match && match[2] ? parseInt(match[2].slice(1, -1), 10) + 1 : 1;