fix: Fixed input problems (#440)

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

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

@@ -82,7 +82,7 @@ func _ready():
 #
 # #### Parameters
 # - event: Event received
-func _input(event) -> void:
+func _unhandled_input(event) -> void:
 	if not escoria.current_state == escoria.GAME_STATE.DEFAULT:
 		return
 	if InputMap.has_action("switch_action_verb") \

addons/escoria-core/game/scenes/dialogs/esc_dialog_player.gd

@@ -34,9 +34,10 @@ func _ready():
 #
 # - event: The input event
 func _input(event):
-	if event is InputEventMouseButton and \
-			event.pressed:
+	if event is InputEventMouseButton and event.pressed \
+			and is_speaking:
 		speedup()
+		get_tree().set_input_as_handled()
 		
 
 # Find the matching voice output file for the given key