Implement save overwrite confirmation (#368)

* Implement save overwrite confirmation + fixed pause game not pausing game execution.

* docs: Automatic update of API docs

Co-authored-by: StraToN <StraToN@users.noreply.github.com>

addons/escoria-core/game/inputs_manager.gd

@@ -18,7 +18,6 @@ enum {
 # The current input mode
 var input_mode = INPUT_ALL
 
-
 # A LIFO stack of hovered items
 var hover_stack: Array = []
 
@@ -26,6 +25,15 @@ var hover_stack: Array = []
 var hotspot_focused: String = ""
 
 
+# Register core signals (from escoria.gd)
+func register_core():
+	escoria.connect(
+		"request_pause_menu",
+		self,
+		"_on_pause_menu_requested"
+	)
+
+
 # Connect the item signals to the local methods
 func register_inventory_item(item: Node):
 	item.connect(
@@ -86,24 +94,6 @@ func register_background(background: ESCBackground):
 	)
 
 
-# Input event handler
-#
-# #### Parameters
-#
-# - event: Godot input event received
-func _input(event: InputEvent) -> void:
-	if event.is_action_pressed("esc_show_debug_prompt"):
-		escoria.main.get_node("layers/debug_layer/esc_prompt_popup").popup()
-	
-	if input_mode == INPUT_ALL and event.is_action_pressed("ui_cancel"):
-		_on_pause_menu_requested()
-	
-	if ProjectSettings.get_setting("escoria/ui/tooltip_follows_mouse"):
-		if escoria.main.current_scene and escoria.main.current_scene.game:
-			if event is InputEventMouseMotion:
-				escoria.main.current_scene.game.update_tooltip_following_mouse_position(event.position)
-
-
 # The background was clicked with the LMB
 #
 # #### Parameters