perf: Implement faster sync methods for mysql (#49011)

* perf: Implement faster sync methods for postgres

Fixes #48575

Pulls work from redshift into the common postgres driver.

* Fix tests and formatting

* Move nested-field-column sync to sync functions so describe-fields will also get them

* Fix test

* Fix test

* Remove fixed safety test

* Add test specific database-supports feature for pk metadata

* Fix test

* perf: faster mysql sync with describe-fields

Fixes: #49010

* Adrress PR feedback

* Fix tests

* Fix test

* Add nil table-schema

* Don't use subselect for field-comment

* Fix quoting weird identifiers

* Make format string inline

* Update src/metabase/driver/mysql.clj

Co-authored-by: metamben <103100869+metamben@users.noreply.github.com>

* Update src/metabase/driver/mysql.clj

Co-authored-by: metamben <103100869+metamben@users.noreply.github.com>

* Fix tests

* Fix database-type

* Fix tests

* Fix test

* Fix tests

* Exclude mysql table_schema

* Handle tinyInt1IsBit

* Fix test

* Only get one db at a time

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Co-authored-by: metamben <103100869+metamben@users.noreply.github.com>