Fix delayed loading of nano skill icons

We actually don't need to wait for post-load to do the second nano book send.
That adds unnecessary delay. Moving it to right after `P_FE2CL_REP_PC_ENTER_SUCC`
does the trick and gives the client plenty of time to fetch the icons before
loading in-game.

src/PlayerManager.cpp

@@ -293,12 +293,14 @@ static void enterPlayer(CNSocket* sock, CNPacketData* data) {
     sock->setActiveKey(SOCKETKEY_FE); // send all packets using the FE key from now on
 
     // Academy builds receive nanos in a separate packet. These need to be sent
-    // before P_FE2CL_REP_PC_ENTER_SUCC as well as after initial load
+    // before P_FE2CL_REP_PC_ENTER_SUCC as well as after
     // due to a race condition in the client :(
     sendNanoBookSubset(sock, plr);
 
     sock->sendPacket(response, P_FE2CL_REP_PC_ENTER_SUCC);
 
+    sendNanoBookSubset(sock, plr);
+
     // transfer ownership of Player object into the shard (still valid in this function though)
     addPlayer(sock, plr);
 
@@ -375,7 +377,6 @@ static void loadPlayer(CNSocket* sock, CNPacketData* data) {
         Missions::failInstancedMissions(sock); // auto-fail missions
         Buddies::sendBuddyList(sock); // buddy list
         Items::checkItemExpire(sock, plr); // vehicle expiration
-        sendNanoBookSubset(sock, plr); // nanos (post-load)
 
         plr->initialLoadDone = true;
     }