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/store/stateStore.ts

@@ -85,8 +85,9 @@ export default (id: string, preloadedState: FlowState) => {
       },
     },
     actions: {
-      async setElements(elements) {
+      async setElements(elements, force = true) {
         const { nodes, edges } = parseElements(elements, this.elements, this.nodeExtent)
+        if (force) this.elements = []
         await processElements([...nodes, ...edges], (processed) => {
           this.elements = [...this.elements, ...processed]
         })