Fixed possible upgrade issues.

Author: edowney

addons/SignalVisualizer/SignalVisualizer.gd

@@ -7,7 +7,7 @@ class SignalDebuggerPlugin extends EditorDebuggerPlugin:
 	signal start_signal_debugging
 	signal stop_signal_debugging
 
-	var debugger_panel: SignalDebuggerPanel
+	var debugger_panel
 
 	func _has_capture(prefix) -> bool:
 		return prefix == "signal_debugger"

addons/SignalVisualizer/Visualizer/resizable_label.gd

@@ -1,5 +1,5 @@
 @tool
-class_name ResizableLabel extends Label
+extends Label
 
 # Properties
 # |===================================|

addons/SignalVisualizer/Visualizer/signal_graph_node_item.gd

@@ -18,7 +18,7 @@ class Metadata:
 # |===================================|
 # |===================================|
 
-@onready var label: ResizableLabel = %DescriptionLabel
+@onready var label: Label = %DescriptionLabel
 
 var signal_data: Metadata = null