Persistent nodedb (#780)

* Refactor  and consolitdate store imports

- Created a new index file in the core stores directory to export all stores from a single module.
- Updated imports to use consolidated store exports.

* Remove unnecessary import

* Update imports

* First steps to persist nodeDB

* Use named exports

* Change store import after merge

* Persistent nodeDB initial work

* Key mishmatch warning, new serialization handler

* Minor copilot changes

* Add NODEDB_RETENTION_NUM

* Updated tests

* Refactor PKI mismatch logic

* Clear persisted db on reset

* Only persist on featureFlag

* Mock featureFlag in tests

---------

Co-authored-by: philon- <philon-@users.noreply.github.com>

packages/web/src/components/PageComponents/Connect/HTTP.test.tsx

@@ -9,7 +9,10 @@ vi.mock("@core/stores", () => ({
   useDeviceStore: vi.fn(() => ({
     addDevice: vi.fn(() => ({ addConnection: vi.fn() })),
   })),
-  useMessageStore: vi.fn()
+  useMessageStore: vi.fn(),
+  useNodeDBStore: vi.fn(() => ({
+    addNodeDB: vi.fn(),
+  })),
 }));
 
 vi.mock("@core/utils/randId.ts", () => ({