[FEATURE] Add inUse property and support pagination for list tags api

### Describe the feature

we can list metadata objects associated with a tag
`http://localhost:8090/api/metalakes/:metalake/tags/:tag/objects`

Can we get the associated number from the list tags api?

### Motivation

1. I want to show the inUse number for tag list page
2. 20 tags、50 tags or more tags per page
3. I should request 20、 50 times or more to get all the numbers
4. One-time highly concurrent api requests are something we need to avoid

### Describe the solution

_No response_

### Additional context

_No response_

Start by inspecting the list tags API and the metadata objects endpoint at /api/metalakes/:metalake/tags/:tag/objects. Done means the list tags response provides each tag's inUse count and supports requesting multiple pages without one request per tag.

Written by the indexing model from the issue text.