public void setModelUnchanged() {
		originalFunctionData = new FunctionDataView(functionData);
		resetSignatureTextField();
		validate();

		Swing.runLater(() -> listener.dataChanged());
	}
Sets the change state of the model to unchanged. Normally, the model sets the modelChanged 
variable to true every time something is changed. This provides a way to for applications 
to make some initial changes but make the dialog think that nothing has changed.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/function/editor/FunctionEditorModel.java