bugfix: duplicate model created when we click save twice

packages/builder/src/builderStore/store/backend.js

@@ -60,6 +60,10 @@ export const getBackendUiStore = () => {
       },
       select: model =>
         store.update(state => {
+          model =
+            typeof model === "string"
+              ? state.models.find(m => m._id === model)
+              : model
           state.selectedModel = model
           state.draftModel = cloneDeep(model)
           state.selectedField = ""
@@ -69,10 +73,10 @@ export const getBackendUiStore = () => {
         }),
       save: async ({ model }) => {
         const updatedModel = cloneDeep(model)
-
         const SAVE_MODEL_URL = `/api/models`
-        await api.post(SAVE_MODEL_URL, updatedModel)
+        const response = await api.post(SAVE_MODEL_URL, updatedModel)
         await store.actions.models.fetch()
+        store.actions.models.select((await response.json())._id)
       },
       addField: field => {
         store.update(state => {