Script Window: Use popup_dialog

This is better because it considers the editor single window mode.

Author: manuq

addons/block_code/block_code_plugin.gd

@@ -61,9 +61,7 @@ func _enter_tree():
 func script_window_requested(script: String):
 	var script_window = ScriptWindow.instantiate()
 	script_window.script_content = script
-
-	EditorInterface.get_base_control().add_child(script_window)
-
+	EditorInterface.popup_dialog(script_window)
 	await script_window.close_requested
 
 	script_window.queue_free()

addons/block_code/ui/script_window/script_window.gd

@@ -7,7 +7,6 @@ var script_content: String = ""
 
 
 func _ready():
-	popup_centered()
 	script_label.text = script_content.replace("\t", "    ")