[AINode] Fix model management bugs

[CRZbulabula]

This PR fixes the following bugs:

1. The SQL show models <model_id> is invalid.
2. Unify the lifecycle of user-defined models, corresponding to our state machine.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 27 lines in your changes missing coverage. Please review.

Project coverage is 39.08%. Comparing base (57f22e7) to head (a803553).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
...gnode/procedure/impl/model/DropModelProcedure.java	0.00%	22 Missing ⚠️
.../apache/iotdb/confignode/manager/ModelManager.java	0.00%	4 Missing ⚠️
...ache/iotdb/commons/client/ainode/AINodeClient.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master   #15890   +/-   ##
=========================================
  Coverage     39.08%   39.08%           
  Complexity      198      198           
=========================================
  Files          4847     4847           
  Lines        315790   315796    +6     
  Branches      39657    39657           
=========================================
+ Hits         123436   123442    +6     
  Misses       192354   192354           

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud