Set a mass for Rose's fae form

presets/characters.js

@@ -7219,6 +7219,7 @@ characterMakers.push(() => makeCharacter(
         },
         fae: {
             height: math.unit(4, "cm"),
+            weight: math.unit(80, "grams"),
             name: "Fae",
             image: {
                 source: "./media/characters/rose/fae.svg",