fix drag: set module subtree mouse_filter to IGNORE so events reach DashboardGrid

scripts/module_base.gd

@@ -10,23 +10,32 @@ var _initialized: bool = false
 
 
 func _ready() -> void:
-    if not _initialized:
+	# Don't intercept mouse events — DashboardGrid handles drag-and-drop
-        _initialize()
+	_set_mouse_ignore(self)
+	if not _initialized:
+		_initialize()
 
 
 func initialize() -> void:
-    pass
+	pass
 
 
 func refresh(data: Dictionary) -> void:
-    pass
+	pass
 
 
 func get_module_title() -> String:
-    return module_title
+	return module_title
 
 
 func _initialize() -> void:
-    _initialized = true
+	_initialized = true
-    initialize()
+	initialize()
-    module_ready.emit()
+	module_ready.emit()
+
+
+func _set_mouse_ignore(node: Node) -> void:
+	if node is Control:
+		node.mouse_filter = Control.MOUSE_FILTER_IGNORE
+	for child in node.get_children():
+		_set_mouse_ignore(child)