Fix the initial vertical scale being wrong with non-meter units

macrovision.js

@@ -2600,8 +2600,6 @@ document.addEventListener("DOMContentLoaded", () => {
 
     document.querySelector("body").appendChild(testCtx.canvas);
 
-    updateSizes();
-
     world.addEventListener("mousedown", e => deselect(e));
     world.addEventListener("touchstart", e => deselect({
         which: 1,
@@ -3058,6 +3056,8 @@ document.addEventListener("DOMContentLoaded", () => {
         checkFitWorld();
     })
 
+    updateWorldHeight();
+
 });
 
 function customEntityFromFile(file, x=0.5, y=0.5) {