logic: Fixed code view single not cleared properly in some cases

src/lib_gui/qt/view/QtCodeView.cpp

@@ -55,6 +55,18 @@ void QtCodeView::refreshView()
 }
 
 void QtCodeView::clear()
+{
+	m_onQtThread(
+		[=]()
+		{
+			m_widget->clear();
+		}
+	);
+
+	m_errorInfos.clear();
+}
+
+void QtCodeView::clearCodeSnippets()
 {
 	m_onQtThread(
 		[=]()