Fix bot not handling public requests with paper number in brackets

Author: Bueddl

paperbot/package.json

@@ -1,6 +1,6 @@
 {
   "name": "isocpp-mattermost-paperbot",
-  "version": "2.0.0-rc.9",
+  "version": "2.0.1",
   "description": "",
   "main": "src/index.js",
   "scripts": {

paperbot/src/index.js

@@ -550,7 +550,7 @@ class PaperBot {
         this.stats.paper_requests_handled += 1;
 
         const paper_request_regex = /(?:(C|E|LE?)WG|FS|SD|N|P|D|EDIT) ?\d+(R\d+)?/gi;
-        const papers_requested = [...post.message.matchAll(paper_request_regex)].map(m => m[0]);
+        const papers_requested = [...post.message.matchAll(paper_request_regex)].map(m => m[1]);
         this.handlePaperRequest(post, papers_requested, true);
     }