fix initial hotbar not showing (#2551)

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

src/common/__tests__/hotbar-store.test.ts

@@ -0,0 +1,20 @@
+import mockFs from "mock-fs";
+import { HotbarStore, hotbarStore } from "../hotbar-store";
+
+describe("HotbarStore", () => {
+  beforeEach(() => {
+    HotbarStore.resetInstance();
+    mockFs({ tmp: { "lens-hotbar-store.json": "{}" } });
+  });
+
+  afterEach(() => {
+    mockFs.restore();
+  });
+
+  describe("load", () => {
+    it("loads one hotbar by default", () => {
+      hotbarStore.load();
+      expect(hotbarStore.hotbars.length).toEqual(1);
+    });
+  });
+});

src/common/hotbar-store.ts

@@ -35,10 +35,14 @@ export class HotbarStore extends BaseStore<HotbarStoreModel> {
   }
 
   @action protected async fromStore(data: Partial<HotbarStoreModel> = {}) {
-    this.hotbars = data.hotbars || [{
-      name: "default",
-      items: []
-    }];
+    if (data.hotbars?.length === 0) {
+      this.hotbars = [{
+        name: "default",
+        items: []
+      }];
+    } else {
+      this.hotbars = data.hotbars;
+    }
   }
 
   getByName(name: string) {