Fix crash when sorting campaigns (#174). Update version number

Author: TychoTheTaco

package.json

@@ -1,6 +1,6 @@
 {
   "name": "twitch_drops_bot",
-  "version": "1.2.4",
+  "version": "1.2.5",
   "description": "A Node.js bot for automatically collecting Twitch drops.",
   "type": "module",
   "repository": {

src/twitch_drops_bot.ts

@@ -560,7 +560,7 @@ export class TwitchDropsBot extends EventEmitter {
 
     #getFirstBroadcasterIndex(campaign: DropCampaign) {
         for (let i = 0; i < this.#broadcasterIds.length; ++i) {
-            if (campaign.allow && campaign.allow.isEnabled) {
+            if (campaign.allow && campaign.allow.isEnabled && campaign.allow.channels) {
                 for (const channel of campaign.allow.channels) {
                     if (channel.displayName.toLowerCase() === this.#broadcasterIds[i].toLowerCase()) {
                         return i;