Updating npm dependencies and getting the build to work (#1001)

* Updating npm dependencies and getting the build to work

* update node in github actions to 14.x

sim/public/sim.manifest

@@ -1,7 +1,6 @@
 CACHE MANIFEST
 
 CACHE:
-/cdn/bluebird.min.js
 /cdn/pxtsim.js
 /sim/common-sim.js
 /sim/sim.js

sim/public/simulator.html

@@ -23,7 +23,6 @@ body {
   transition: none !important;
 }
     </style>
-    <script src="/cdn/bluebird.min.js"></script>
     <script src="/cdn/pxtsim.js"></script>
     <script src="/sim/common-sim.js"></script>
     <script src="/sim/sim.js"></script>

sim/tsconfig.json

@@ -9,7 +9,7 @@
         "newLine": "LF",
         "sourceMap": false,
         "lib": ["dom", "dom.iterable", "scripthost", "es6"],
-        "types": ["bluebird"],
+        "types": [],
         "typeRoots": ["../node_modules/@types"]
     }
 }

sim/visuals/board.ts

@@ -19,7 +19,7 @@ namespace pxsim.visuals {
             -webkit-user-select: none;
             -moz-user-select: none;
             -ms-user-select: none;
-            user-select: none;                        
+            user-select: none;
         }
         .sim-button {
             cursor: pointer;
@@ -381,7 +381,7 @@ namespace pxsim.visuals {
             this.screenCanvas = document.createElement("canvas");
             this.screenCanvas.id = "board-screen-canvas";
             this.screenCanvas.style.userSelect = "none";
-            this.screenCanvas.style.msUserSelect = "none";
+            (this.screenCanvas.style as any).msUserSelect = "none";
             this.screenCanvas.style.webkitUserSelect = "none";
             (this.screenCanvas.style as any).MozUserSelect = "none";
             this.screenCanvas.style.position = "absolute";