feat: Add instance to store

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

src/store/flowStore.ts

@@ -54,6 +54,7 @@ export default function flowStore(
     actions: {
       setElements(elements) {
         const { nextNodes, nextEdges } = parseElements(elements, this.nodes, this.edges, this.nodeExtent)
+        this.elements = elements
         this.nodes = nextNodes
         this.edges = nextEdges
       },

src/store/index.ts

@@ -75,6 +75,7 @@ export const initialState = (): FlowState => ({
   isReady: false,
   hooks: createHooks(),
   storageKey: undefined,
+  instance: undefined,
 
   vueFlowVersion: typeof __VUE_FLOW_VERSION__ !== 'undefined' ? __VUE_FLOW_VERSION__ : '-',
 })