feat(context-menu): add electron context menu (#790)

* feat(context-menu): add electron context menu

removes old context menu plugin and adds context menu with a few examples, including module
duplication

re #789

* fix(duplicate): clone inputlinks on module duplication

* feat: add value reset for module controls

* feat: add context menu item to reset module props to default

* remove module

* fix: stop propagation to prevent context menu

* fix: duplicate expressions and fix duplication position

* fix: fix after merge

* fix: prevent drag on anything other than left mouse button

* fix: remove left margin on module ghost

* fix: prevent user-drag

* fix: prevent grab state change on anything other than left mouse button

src/application/index.js

@@ -21,7 +21,7 @@ import { GROUP_ENABLED } from "./constants";
 let imageBitmap;
 const imageBitmapQueue = [];
 
-export default class ModV {
+class ModV {
   _mediaStream;
   _imageCapture;
   setupMedia = setupMedia;
@@ -329,3 +329,5 @@ export default class ModV {
     this.store.commit("fonts/SET_LOCAL_FONTS", fonts);
   }
 }
+
+export default new ModV();