SPIGOT-7589 Fix NullPointerException when bans expire

By: Doc <nachito94@msn.com>

paper-server/nms-patches/net/minecraft/server/players/JsonList.patch

@@ -1,11 +1,6 @@
 --- a/net/minecraft/server/players/JsonList.java
 +++ b/net/minecraft/server/players/JsonList.java
-@@ -1,3 +1,4 @@
-+// mc-dev import
- package net.minecraft.server.players;
- 
- import com.google.common.collect.Lists;
-@@ -54,7 +55,7 @@
+@@ -54,7 +54,7 @@
      @Nullable
      public V get(K k0) {
          this.removeExpired();
@@ -14,6 +9,14 @@
      }
  
      public void remove(K k0) {
+@@ -85,6 +85,7 @@
+     }
+ 
+     protected boolean contains(K k0) {
++        this.removeExpired(); // CraftBukkit - SPIGOT-7589: Consistently remove expired entries to mirror .get(...)
+         return this.map.containsKey(this.getKeyForUser(k0));
+     }
+ 
 @@ -93,7 +94,7 @@
          Iterator iterator = this.map.values().iterator();