Fix issue with finalizers being called too early (#305)

- Update Babylon.js npm packages 5.0.0-alpha.60
- Update Babylon Native submodule to latest

Author: bghgary

Apps/PackageTest/0.63.1/package-lock.json

@@ -10,7 +10,7 @@
     "lint": "eslint . --ext .js,.jsx,.ts,.tsx"
   },
   "dependencies": {
-    "@babylonjs/core": "5.0.0-alpha.57",
+    "@babylonjs/core": "5.0.0-alpha.60",
     "@babylonjs/react-native": "^0.4.0-alpha.33",
     "react": "16.13.1",
     "react-native": "0.63.1",

Apps/PackageTest/0.63.1/package.json

@@ -12,7 +12,7 @@
     "lint": "eslint . --ext .js,.jsx,.ts,.tsx"
   },
   "dependencies": {
-    "@babylonjs/core": "5.0.0-alpha.57",
+    "@babylonjs/core": "5.0.0-alpha.60",
     "@babylonjs/react-native": "^0.4.0-alpha.33",
     "@babylonjs/react-native-windows": "0.4.0-alpha.33",
     "react": "^17.0.1",

Apps/PackageTest/0.64.0/package-lock.json

@@ -14,8 +14,8 @@
     "iosCmake": "node scripts/tools.js iosCMake"
   },
   "dependencies": {
-    "@babylonjs/core": "5.0.0-alpha.57",
-    "@babylonjs/loaders": "5.0.0-alpha.57",
+    "@babylonjs/core": "5.0.0-alpha.60",
+    "@babylonjs/loaders": "5.0.0-alpha.60",
     "@babylonjs/react-native": "file:../../Modules/@babylonjs/react-native",
     "@babylonjs/react-native-windows": "file:../../Modules/@babylonjs/react-native-windows",
     "@react-native-community/slider": "4.0.0-rc.3",

Apps/PackageTest/0.64.0/package.json

@@ -24,7 +24,7 @@
   "licenseFilename": "LICENSE",
   "readmeFilename": "README.md",
   "peerDependencies": {
-    "@babylonjs/core": "5.0.0-alpha.57",
+    "@babylonjs/core": "5.0.0-alpha.60",
     "@babylonjs/react-native": "version",
     "react": "^17.0.1",
     "react-native": "^0.64.0",

Apps/Playground/package-lock.json

@@ -28,15 +28,15 @@
     "semver": "^7.3.2"
   },
   "peerDependencies": {
-    "@babylonjs/core": "5.0.0-alpha.57",
+    "@babylonjs/core": "5.0.0-alpha.60",
     "react": ">=16.13.1",
     "react-native": ">=0.63.1",
     "react-native-permissions": "^2.1.4"
   },
   "devDependencies": {
     "@babel/core": "^7.8.4",
     "@babel/runtime": "^7.8.4",
-    "@babylonjs/core": "5.0.0-alpha.57",
+    "@babylonjs/core": "5.0.0-alpha.60",
     "@rnw-scripts/eslint-config": "0.1.6",
     "@rnw-scripts/ts-config": "0.1.0",
     "@types/base-64": "^0.1.3",