[Community] [3D particle emitter] Fix the scale property (#958)

* Don't show in changelog

Author: D8H

extensions/community/ParticleEmitter3D.json

@@ -8,7 +8,7 @@
   "name": "ParticleEmitter3D",
   "previewIconUrl": "https://asset-resources.gdevelop.io/public-resources/Icons/f2e5a34bf465f781866677762d385d6c8e9e8d203383f2df9a3b7e0fad6a2cb5_fire.svg",
   "shortDescription": "Display a large number of particles to create visual effects.",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "description": [
     "Particle emitters can be used to display:",
     "- Fire",
@@ -155,7 +155,7 @@
                 "     */",
                 "    setEndScale(endScale) {",
                 "        /** @type Bezier */",
-                "        const bezier = this.sizeOverLife.functions[0];",
+                "        const bezier = this.sizeOverLife.size.functions[0][0];",
                 "        bezier.p[0] = 1;",
                 "        bezier.p[1] = gdjs.evtTools.common.lerp(1, endScale, 1 / 3);",
                 "        bezier.p[2] = gdjs.evtTools.common.lerp(1, endScale, 2 / 3);",
@@ -5558,6 +5558,17 @@
                     ""
                   ]
                 },
+                {
+                  "type": {
+                    "value": "ParticleEmitter3D::ParticleEmitter3D::SetEndScale"
+                  },
+                  "parameters": [
+                    "Object",
+                    "=",
+                    "Object.EndScale()",
+                    ""
+                  ]
+                },
                 {
                   "type": {
                     "value": "ParticleEmitter3D::ParticleEmitter3D::SetStartSpeedMin"