Don't call project_changed() whenever a reference image gets imported

src/Autoload/Global.gd

@@ -465,8 +465,6 @@ var cel_button_scene: PackedScene = load("res://src/UI/Timeline/CelButton.tscn")
 
 ## The palettes panel. It has the [param PalettePanel.gd] script attached.
 @onready var palette_panel: PalettePanel = control.find_child("Palettes")
-## The reference images panel. It has the [param ReferencesPanel.gd] script attached.
-@onready var references_panel: ReferencesPanel = control.find_child("Reference Images")
 ## The perspectice editor. It has the [param PerspectiveEditor.gd] script attached.
 @onready var perspective_editor := control.find_child("Perspective Editor")
 

src/Autoload/OpenSave.gd

@@ -2,6 +2,7 @@
 extends Node
 
 signal project_saved
+signal reference_image_imported
 
 var current_save_paths: PackedStringArray = []
 ## Stores a filename of a backup file in user:// until user saves manually
@@ -725,7 +726,7 @@ func import_reference_image_from_path(path: String) -> void:
 	ri.project = project
 	ri.deserialize({"image_path": path})
 	Global.canvas.add_child(ri)
-	project.change_project()
+	reference_image_imported.emit()
 
 
 ## Useful for Web
@@ -735,7 +736,7 @@ func import_reference_image_from_image(image: Image) -> void:
 	ri.project = project
 	ri.create_from_image(image)
 	Global.canvas.add_child(ri)
-	project.change_project()
+	reference_image_imported.emit()
 
 
 func set_new_imported_tab(project: Project, path: String) -> void:

src/Classes/Project.gd

@@ -205,7 +205,6 @@ func change_project() -> void:
 
 	Global.transparent_checker.update_rect()
 	Global.animation_timeline.fps_spinbox.value = fps
-	Global.references_panel.project_changed()
 	Global.perspective_editor.update_points()
 	Global.cursor_position_label.text = "[%s×%s]" % [size.x, size.y]
 

src/UI/ReferenceImages/ReferenceImageButton.gd

@@ -46,7 +46,7 @@ func _on_Remove_pressed():
 		queue_free()
 		element.queue_free()
 		Global.current_project.reference_images.remove_at(index)
-		Global.current_project.change_project()
+		OpenSave.reference_image_imported.emit()
 
 
 func _on_Scale_value_changed(value: float):

src/UI/ReferenceImages/ReferencesPanel.gd

@@ -6,7 +6,12 @@ var reference_image_button_tscn := preload("res://src/UI/ReferenceImages/Referen
 @onready var list = $"Scroll/List"
 
 
-func project_changed():
+func _ready() -> void:
+	Global.project_changed.connect(_update_reference_images)
+	OpenSave.reference_image_imported.connect(_update_reference_images)
+
+
+func _update_reference_images():
 	for c in list.get_children():
 		c.queue_free()
 	# Just do this here because I'm not sure where it's done.