update(nodes): watch nodes width for dimension update

* add force param to setElements, if set we clear the elements arr (default true)
* wait for store watcher until store is ready (i.e. a state has been set)
* move renderer css class to Renderer.vue

Signed-off-by: Braks <78412429+bcakmakoglu@users.noreply.github.com>

src/types/store.ts

@@ -73,7 +73,7 @@ export interface FlowState extends Omit<FlowOptions, 'elements'> {
 }
 
 export interface FlowActions {
-  setElements: (elements: Elements) => Promise<void>
+  setElements: (elements: Elements, init?: boolean) => Promise<void>
   setUserSelection: (mousePos: XYPosition) => void
   updateUserSelection: (mousePos: XYPosition) => void
   unsetUserSelection: () => void