fix text nodes and stroke preview on resize

src/node_text.cpp

@@ -113,3 +113,8 @@ void NodeText::draw()
     m_text_mesh.draw();
     glDisable(GL_BLEND);
 }
+
+void NodeText::handle_resize(glm::vec2 old_size, glm::vec2 new_size, float zoom)
+{
+    m_text_mesh.update(font_id, m_text.c_str());
+}