Fixes a bug causing duplicate records to be stored

src/main/java/net/knarcraft/dropper/arena/DropperArenaRecordsRegistry.java

@@ -77,7 +77,10 @@ public class DropperArenaRecordsRegistry implements ConfigurationSerializable {
      * @return <p>The result explaining what type of record was achieved</p>
      */
     public @NotNull RecordResult registerDeathRecord(@NotNull UUID playerId, int deaths) {
-        Consumer<Integer> consumer = (value) -> leastDeaths.add(new IntegerRecord(playerId, value));
+        Consumer<Integer> consumer = (value) -> {
+            leastDeaths.removeIf((item) -> item.getUserId().equals(playerId));
+            leastDeaths.add(new IntegerRecord(playerId, value));
+        };
         Set<ArenaRecord<Integer>> asInt = new HashSet<>(leastDeaths);
         return registerRecord(asInt, consumer, playerId, deaths);
     }
@@ -90,7 +93,10 @@ public class DropperArenaRecordsRegistry implements ConfigurationSerializable {
      * @return <p>The result explaining what type of record was achieved</p>
      */
     public @NotNull RecordResult registerTimeRecord(@NotNull UUID playerId, long milliseconds) {
-        Consumer<Long> consumer = (value) -> shortestTimeMilliSeconds.add(new LongRecord(playerId, value));
+        Consumer<Long> consumer = (value) -> {
+            shortestTimeMilliSeconds.removeIf((item) -> item.getUserId().equals(playerId));
+            shortestTimeMilliSeconds.add(new LongRecord(playerId, value));
+        };
         Set<ArenaRecord<Long>> asLong = new HashSet<>(shortestTimeMilliSeconds);
         return registerRecord(asLong, consumer, playerId, milliseconds);
     }

src/main/java/net/knarcraft/dropper/arena/record/IntegerRecord.java

@@ -24,6 +24,11 @@ public class IntegerRecord extends SummableArenaRecord<Integer> {
         return new IntegerRecord(this.getUserId(), this.getRecord() + value);
     }
 
+    @Override
+    public boolean equals(Object other) {
+        return other instanceof IntegerRecord && this.getUserId().equals(((IntegerRecord) other).getUserId());
+    }
+
     /**
      * Deserializes the saved arena record
      *

src/main/java/net/knarcraft/dropper/arena/record/LongRecord.java

@@ -19,6 +19,11 @@ public class LongRecord extends SummableArenaRecord<Long> {
         super(userId, record);
     }
 
+    @Override
+    public boolean equals(Object other) {
+        return other instanceof LongRecord && this.getUserId().equals(((LongRecord) other).getUserId());
+    }
+
     @Override
     public SummableArenaRecord<Long> sum(Long value) {
         return new LongRecord(this.getUserId(), this.getRecord() + value);