Fixed bugs regarding switch

gui/main_menu/main_menu.tscn

@@ -200,9 +200,10 @@ script = ExtResource("3_6wy0j")
 layout_mode = 2
 text = "Статус публичного IP:"
 
-[node name="PublicIP" type="Label" parent="Lobby/HBoxContainer/HostMenu"]
+[node name="PublicIP" type="LineEdit" parent="Lobby/HBoxContainer/HostMenu"]
 unique_name_in_owner = true
 layout_mode = 2
+editable = false
 script = ExtResource("3_qy2xc")
 
 [connection signal="pressed" from="MainMenu/VBoxContainer/HostButton" to="." method="_on_host_button_pressed"]

multiplayer/ip_display.gd

@@ -1,4 +1,4 @@
-extends Label
+extends LineEdit
 
 func on_update_ip(to: StringName):
 	text = to

systems/weapon_system/weapon_system.gd

@@ -92,7 +92,8 @@ func switch(to: StringName, exit: bool = true):
 		if exit:
 			current_state._exit()
 		if current_state.can_be_previous:
-			last_slot = slots.find_key(current_state)
+			var found = slots.find_key(current_state)
+			last_slot = found if found else ""
 	current_state = slots[to]
 	current_state._enter()
 	
@@ -119,7 +120,7 @@ func drop(weapon: WeaponSubStateMachine) -> void:
 	dropped_weapon.weapon.ammo = weapon.ammo
 	dropped_weapon.weapon.remaining_ammo = weapon.remaining_ammo
 	dropped_weapon.weapon.slot = weapon.slot
-	Session.dynamic_objects_parent.add_child(dropped_weapon)
+	Session.dynamic_objects_parent.add_child(dropped_weapon,true)
 	dropped_weapon.global_position = camera.global_position
 	dropped_weapon.apply_central_impulse(-camera.global_basis.z * 10 + player.velocity)