[glfw] Fix viewport not being resized

Reproducible on Linux. On OSX, map looks slightly scaled.

platform/glfw/glfw_view.cpp

@@ -386,6 +386,7 @@ void GLFWView::onFramebufferResize(GLFWwindow *window, int width, int height) {
     GLFWView *view = reinterpret_cast<GLFWView *>(glfwGetWindowUserPointer(window));
     view->fbWidth = width;
     view->fbHeight = height;
+    view->bind();
 
     // This is only triggered when the framebuffer is resized, but not the window. It can
     // happen when you move the window between screens with a different pixel ratio.