Put uirevision param back to retain user changes to view

Author: jmshea

redirects/bivariate-gaussian.html

@@ -193,8 +193,8 @@ <H3 style="margin-left:5%;">Some Things to Try</H3>
              const layout_surface = {
                  margin: { l: 0, r: 0, b: 0, t: 0 },
                  autosize: true,
-                 responsive: true,
                  useResizeHandler: true,
+                 uirevision:true,
                  scene: {
                      camera: {
                          eye: { x: -0.5, y: -2, z: 1.5 },