fix: Fixed more input events (#442)

Co-authored-by: Dennis Ploeger <develop@dieploegers.de>

addons/escoria-core/game/core-scripts/esc_item.gd

@@ -269,7 +269,7 @@ func _ready():
 # #### Parameters
 #
 # - event: Triggered event
-func _input(event: InputEvent) -> void:
+func _unhandled_input(event: InputEvent) -> void:
 	if not escoria.current_state == escoria.GAME_STATE.DEFAULT:
 		return
 	if event is InputEventMouseButton and event.is_pressed():

addons/escoria-core/game/inputs_manager.gd

@@ -84,7 +84,7 @@ func register_background(background: ESCBackground):
 		"mouse_wheel_up",
 		self,
 		"_on_mousewheel_action",
-		[-1]
+		[1]
 	)
 	background.connect(
 		"mouse_wheel_down",