Tracking issues: refining meta pkg

[maxshuang]

Is your feature request related to a problem?

Refine meta pkg of engine to achieve:

• support new isolation for meta(all tiflow clusters share the same store)
  • We use unique cluster uuid to construct the schema to achieve cluster isolation
  • We use unique projectID to construct table name to achieve project isolation
  • We use <jobID, Key> as uk to achieve job-level isolation
• move inner implement of kv client to internal pkg
• sql implement for kv client suppport job level isolation

Describe the feature you'd like

TaskList:

• [x] refine the StoreConfigParams to support Schema param https://github.com/pingcap/tiflow/issues/6173
• [x] refine the meta pkg dir https://github.com/pingcap/tiflow/pull/6179
• [x] refine the implement of orm and meta to support new isolation schema https://github.com/pingcap/tiflow/pull/6202
• [x] sql implement for kv client to support job-level isolation https://github.com/pingcap/tiflow/pull/6220
• [x] business metastore uses mysql in test https://github.com/pingcap/tiflow/pull/6435
• [x] decouple the framework model creation and client creation https://github.com/pingcap/tiflow/pull/6439
• [ ] split orm pkg to specified model

Describe alternatives you've considered

No response

Teachability, Documentation, Adoption, Migration Strategy

No response

[maxshuang]

/area engine

[maxshuang]

/assign @maxshuang