feat: optimize database search (#2687)

* feat: remove index on `SearchNode.Name`

As we do not use s% on name column, index there does not work

* fix: init index after init data

Or on the first run, it will log 'init index error: readObjectStart: expect { or n, but found , error found in #0 byte of ...||..., bigger context ...||...'

* fix: match parent more precisely

It will match `/a/bc` if we search in `/a/b` originally.
But it is not backward compatible by adding a suffix `/`
to all the data in parent field

cmd/common.go

@@ -15,8 +15,8 @@ func Init() {
 	bootstrap.InitConfig()
 	bootstrap.Log()
 	bootstrap.InitDB()
-	bootstrap.InitIndex()
 	data.InitData()
+	bootstrap.InitIndex()
 }
 
 var pid = -1