[EPIC] Migrate MANAGED Tables

[nfx]

Related issues to this epic:

• [ ] https://github.com/databrickslabs/ucx/issues/1204
• [ ] https://github.com/databrickslabs/ucx/issues/334
• [x] https://github.com/databrickslabs/ucx/issues/332
• [ ] https://github.com/databrickslabs/ucx/issues/903
• [x] https://github.com/databrickslabs/ucx/issues/927
• [ ] https://github.com/databrickslabs/ucx/issues/1065
• [x] https://github.com/databrickslabs/ucx/issues/1218
• [ ] https://github.com/databrickslabs/ucx/issues/1219
• [x] https://github.com/databrickslabs/ucx/issues/1221

[FastLee]

Marked table as migrated on the assessment report Default Target Schema Allow Specifying a Target Schema, Target DB by DB

[FastLee]

Read target catalog and database from the "databases" table Update migration status and migration errors on the "databases" table.