fix(db): add null check for database instance

- Add null check for db instance in getLastNameOps
- Return empty array if db is null
- Add logging for debugging purposes

Prevents potential null reference errors when database is unavailable

relay/package.json

@@ -1,6 +1,6 @@
 {
   "name": "libp2p-relay",
-  "version": "0.12.28",
+  "version": "0.12.29",
   "private": true,
   "scripts": {
     "start:no-restart": "node src/relay.js",

relay/src/pinner/nameOpsFileManager.js

@@ -150,6 +150,10 @@ export async function updateDailyNameOpsFile(
 export async function getLastNameOps(orbitdb, pageSize, from = 10, filter) {
   try {
     const db = await getOrCreateDB(orbitdb);
+    if(!db) {
+      console.log("db is null")
+      return []
+    }
     const allDocs = await db.all();
     let nameOps = [];
 
@@ -207,6 +211,7 @@ export async function closeDB() {
 }
 
 function applyFilter(nameOp, selectedFilter) {
+  console.log("applyFilter", nameOp, selectedFilter)
   const hasNameValue =
     nameOp.nameValue &&
     nameOp.nameValue !== '' &&