fixes new players not always being able to use their keybinds (#22621)

code/modules/mob/new_player/new_player.dm

@@ -15,6 +15,7 @@
 	if(initialized)
 		stack_trace("Warning: [src]([type]) initialized multiple times!")
 	initialized = TRUE
+	input_focus = src
 	GLOB.mob_list += src
 	return INITIALIZE_HINT_NORMAL
 

code/modules/mob/new_player/new_player_login.dm

@@ -30,6 +30,7 @@
 		client.verbs += /client/proc/readmin
 
 	client?.playtitlemusic()
+	client?.update_active_keybindings()
 
 	//Overflow rerouting, if set, forces players to be moved to a different server once a player cap is reached. Less rough than a pure kick.
 	if(GLOB.configuration.overflow.reroute_cap && GLOB.configuration.overflow.overflow_server_location)