Mc 1.18, 1.19 r2 and 1.17 support bug

[andrei1058]

Some variables are not initialized throwing a NPE

[13:00:58 ERROR]: Could not pass event PlayerJoinEvent to BedWars1058 v23.10.1-SNAPSHOT
java.lang.NullPointerException: Cannot invoke "net.minecraft.network.chat.ChatComponentText.h()" because "this.displayNameComp" is null
	at com.andrei1058.bedwars.libs.sidebar.v1_18_R2.SidebarImpl$NarniaSidebarObjective.refreshTitle(SidebarImpl.java:86) ~[bedwars-plugin-23.10.1-SNAPSHOT.jar:?]
	at com.andrei1058.bedwars.libs.sidebar.WrappedSidebar.<init>(WrappedSidebar.java:47) ~[bedwars-plugin-23.10.1-SNAPSHOT.jar:?]
	at com.andrei1058.bedwars.libs.sidebar.v1_18_R2.SidebarImpl.<init>(SidebarImpl.java:30) ~[bedwars-plugin-23.10.1-SNAPSHOT.jar:?]
	at com.andrei1058.bedwars.libs.sidebar.v1_18_R2.ProviderImpl.createSidebar(ProviderImpl.java:27) ~[bedwars-plugin-23.10.1-SNAPSHOT.jar:?]
	at com.andrei1058.bedwars.libs.sidebar.SidebarManager.createSidebar(SidebarManager.java:91) ~[bedwars-plugin-23.10.1-SNAPSHOT.jar:?]
	at com.andrei1058.bedwars.sidebar.BwSidebar.setContent(BwSidebar.java:93) ~[bedwars-plugin-23.10.1-SNAPSHOT.jar:?]
	at com.andrei1058.bedwars.sidebar.SidebarService.giveSidebar(SidebarService.java:222) ~[bedwars-plugin-23.10.1-SNAPSHOT.jar:?]
	at com.andrei1058.bedwars.listeners.joinhandler.JoinListenerMultiArena.onJoin(JoinListenerMultiArena.java:91) ~[bedwars-plugin-23.10.1-SNAPSHOT.jar:?]
	at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor101.execute(Unknown Source) ~[?:?]
	at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:75) ~[paper-api-1.18.2-R0.1-SNAPSHOT.jar:?]
	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[paper-api-1.18.2-R0.1-SNAPSHOT.jar:git-Paper-379]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[paper-api-1.18.2-R0.1-SNAPSHOT.jar:?]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:669) ~[paper-api-1.18.2-R0.1-SNAPSHOT.jar:?]
	at net.minecraft.server.players.PlayerList.postChunkLoadJoin(PlayerList.java:363) ~[paper-1.18.2.jar:git-Paper-379]
	at net.minecraft.server.players.PlayerList.lambda$placeNewPlayer$1(PlayerList.java:305) ~[paper-1.18.2.jar:git-Paper-379]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.tick(ServerGamePacketListenerImpl.java:305) ~[?:?]
	at net.minecraft.network.Connection.tick(Connection.java:567) ~[?:?]
	at net.minecraft.server.network.ServerConnectionListener.tick(ServerConnectionListener.java:231) ~[?:?]
	at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1623) ~[paper-1.18.2.jar:git-Paper-379]
	at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:483) ~[paper-1.18.2.jar:git-Paper-379]
	at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1456) ~[paper-1.18.2.jar:git-Paper-379]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1226) ~[paper-1.18.2.jar:git-Paper-379]
	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:316) ~[paper-1.18.2.jar:git-Paper-379]
	at java.lang.Thread.run(Thread.java:1583) ~[?:?]