Fix Collector bug where checkEnd is only called on a valid message (#2186)

src/structures/interfaces/Collector.js

@@ -76,8 +76,8 @@ class Collector extends EventEmitter {
    */
   handleCollect(...args) {
     const collect = this.collect(...args);
-    if (!collect || !this.filter(...args, this.collected)) return;
 
+    if (collect && this.filter(...args, this.collected)) {
       this.collected.set(collect.key, collect.value);
 
       /**
@@ -87,6 +87,7 @@ class Collector extends EventEmitter {
        * @param {...*} args The arguments emitted by the listener
        */
       this.emit('collect', collect.value, ...args);
+    }
     this.checkEnd();
   }