update signal connection syntax

Author: williamchange

material_maker/nodes/comment/comment.gd

@@ -181,12 +181,12 @@ func _on_change_color_pressed() -> void:
 			corrected_color[i] = corrected_color[i].darkened(0.5)
 	corrected_color.push_front(Color.WEB_GRAY)
 	corrected_color.push_front(Color.WHITE if light_theme else Color.BLACK)
-	var palette_rects = $Popup/GridContainer.get_children()
+	var palette_rects := $Popup/GridContainer.get_children()
 	palette_rects.pop_back()
 	for i in palette_rects.size():
 		palette_rects[i].color = corrected_color[i]
-		if not palette_rects[i].is_connected("pressed",Callable(self,"set_color")):
-			palette_rects[i].connect("pressed",Callable(self,"set_color"))
+		if not palette_rects[i].pressed.is_connected(set_color):
+			palette_rects[i].pressed.connect(set_color)
 
 func update_node() -> void:
 	size = generator.size
@@ -229,8 +229,8 @@ func _on_ColorChooser_gui_input(event : InputEvent) -> void:
 			mm_globals.set_config("color_picker_shape", color_picker.picker_shape))
 		$PopupSelector.popup()
 		color_picker.color = generator.color
-		if not color_picker.color_changed.is_connected(self.set_color):
-			color_picker.color_changed.connect(self.set_color)
+		if not color_picker.color_changed.is_connected(set_color):
+			color_picker.color_changed.connect(set_color)
 
 func _on_autoshrink_gui_input(event : InputEvent) -> void:
 	if event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT: