Use case-sensitive name from the event joining player

Related #1219

Author: games647

bukkit/src/main/java/com/github/games647/fastlogin/bukkit/listener/protocollib/ProtocolLibListener.java

@@ -119,8 +119,8 @@ public void onPacketReceiving(PacketEvent packetEvent) {
             if (packetType == START) {
                 if (plugin.getFloodgateService() != null) {
                     boolean success = processFloodgateTasks(packetEvent);
-                    // don't continue execution if the player was kicked by Floodgate
                     if (!success) {
+                        // don't continue execution if the player was kicked by Floodgate
                         return;
                     }
                 }

velocity/src/main/java/com/github/games647/fastlogin/velocity/listener/ConnectListener.java

@@ -117,7 +117,7 @@ public void onGameProfileRequest(GameProfileRequestEvent event) {
             StoredProfile playerProfile = session.getProfile();
             playerProfile.setId(verifiedUUID);
             if (!plugin.getCore().getConfig().get("premiumUuid", true)) {
-                UUID offlineUUID = UUIDAdapter.generateOfflineId(playerProfile.getName());
+                UUID offlineUUID = UUIDAdapter.generateOfflineId(event.getUsername());
                 event.setGameProfile(event.getGameProfile().withId(offlineUUID));
                 plugin.getLog().info("Overridden UUID from {} to {} (based of {}) on {}",
                         verifiedUUID, offlineUUID, verifiedUsername, event.getConnection());