Fix StorageHelper.get() returning null after clearing (#2421)

src/renderer/utils/__tests__/storageHelper.test.ts

@@ -142,17 +142,6 @@ describe("renderer/utils/StorageHelper", () => {
       }));
       expect(storageHelper.get()).toEqual({ ...storageHelperDefaultValue, message: "updated3" });
     });
-
-    it("clears data in storage", () => {
-      storageHelper.init();
-
-      expect(storageHelper.get()).toBeTruthy();
-      storageHelper.clear();
-      expect(storageHelper.get()).toBeFalsy();
-      expect(storageMock[storageKey]).toBeUndefined();
-      expect(storageAdapter.removeItem).toHaveBeenCalledWith(storageHelper.key);
-    });
-
   });
 
   describe("data in storage-helper is observable (mobx)", () => {